<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Given that info I'd highly recommend you work through TAC to get this info in front of IBM and see what they have to say.<div><br><div>
<span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-size: medium; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><div>-Ryan</div></span>
</div>
<br><div><div>On Feb 14, 2012, at 1:39 PM, Sinisa Djokic wrote:</div><br class="Apple-interchange-newline"><span class="Apple-style-span" style="border-collapse: separate; font-family: 'Lucida Grande'; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-size: medium; "><div lang="EN-US" link="blue" vlink="purple"><div class="WordSection1" style="page: WordSection1; "><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><font size="2" color="#1f497d" face="Calibri"><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">hy ryan..<o:p></o:p></span></font></div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><font size="2" color="#1f497d" face="Calibri"><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">thanx on your support..<o:p></o:p></span></font></div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><font size="2" color="#1f497d" face="Calibri"><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); "><o:p> </o:p></span></font></div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><b><font size="3" color="red" face="Times New Roman"><span style="font-size: 12pt; color: red; font-weight: bold; ">R.R.</span></font></b>At this point I'd guess that even 3B06 is old. Make sure your drives are on the latest firmware, and make sure your array is up and completely stable before applying the update. If it's degraded when you try to patch it can miss one of the drives and leave it on old firmware. If you hit CSCti52867 then you absolutely have to run the diskex...cop.sgn file (when the array is optimal) and really should rebuild the server. Just upgrading the firmware is not sufficient to fix or prevent future outages once the drives have started failing due to this bug.<o:p></o:p></div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><font size="2" color="#1f497d" face="Calibri"><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); "><o:p> </o:p></span></font></div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><b><font size="2" color="#00b050" face="Calibri"><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(0, 176, 80); font-weight: bold; ">S.DJ.<span class="Apple-converted-space"> </span></span></font></b><font size="2" color="#1f497d" face="Calibri"><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); "> the RAID was optimal before any action and after install of new CUCM 7.1.5 on new server ( from RMA ) .. we did run disk excerciser..after that we upgraded the firmware to 3B06 ( according to CSCti52867 instructions )..after the firmware upgrade, RAID was in resynch state for several hours ( as expected )..so, at the time of testing and pulling one of the HDDs out, system was fully operational with synched RAID.. regarding 3B06, i think there is 3B07 out there ( if i’m not mistaking ) but i wasn’t aware that we should upgrade to it just like that..<o:p></o:p></span></font></div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><font size="2" color="#1f497d" face="Calibri"><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); "><o:p> </o:p></span></font></div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><b><font size="3" color="red" face="Times New Roman"><span style="font-size: 12pt; color: red; font-weight: bold; ">R.R.</span></font></b>If the BIOS doesn't detect the drive you've got a hardware issue either with the array or the disk, period. If the BIOS detects the drive but no OS is found then the drive most likely didn't get fully sync'd from a previous degraded state.<o:p></o:p></div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><font size="3" face="Times New Roman"><span style="font-size: 12pt; "><o:p> </o:p></span></font></div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><b><font size="2" color="#00b050" face="Calibri"><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(0, 176, 80); font-weight: bold; ">S.DJ.<span class="Apple-converted-space"> </span></span></font></b><font size="2" color="#1f497d" face="Calibri"><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); "> as said, RAID utility reported RAID degraded ( as expected since HDD was pulled out )..drive was fully synched according to CLI “ show hardware “ output while the server was up&running 8 before shutting it down )..<o:p></o:p></span></font></div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><font size="2" color="#1f497d" face="Calibri"><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); "><o:p> </o:p></span></font></div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><font size="2" color="#1f497d" face="Calibri"><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); "><o:p> </o:p></span></font></div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><b><font size="3" color="red" face="Times New Roman"><span style="font-size: 12pt; color: red; font-weight: bold; ">R.R.</span></font></b>I wouldn't place bets on that just yet.<o:p></o:p></div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><font size="2" color="#1f497d" face="Calibri"><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); "><o:p> </o:p></span></font></div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><b><font size="2" color="#00b050" face="Calibri"><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(0, 176, 80); font-weight: bold; ">S.DJ.<span class="Apple-converted-space"> </span></span></font></b><font size="2" color="#1f497d" face="Calibri"><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">i cannot imagine having 4 failed drives in two different servers when all IBM and cisco diagnostic tools shows them fully operational..of course everything is possible..<o:p></o:p></span></font></div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><font size="2" color="#1f497d" face="Calibri"><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); "><o:p> </o:p></span></font></div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><font size="2" color="#1f497d" face="Calibri"><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); "><o:p> </o:p></span></font></div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><font size="2" color="#1f497d" face="Calibri"><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">as said, it’s symptomatic that we have identical behavior on both servers ( so i can exclude HW failure except serial problem )..the original one and the new one..<o:p></o:p></span></font></div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><font size="2" color="#1f497d" face="Calibri"><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); "><o:p> </o:p></span></font></div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><font size="2" color="#1f497d" face="Calibri"><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">regards..<o:p></o:p></span></font></div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><font size="2" color="#1f497d" face="Calibri"><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); "><o:p> </o:p></span></font></div><div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><b><font size="2" color="black" face="Arial"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: black; font-weight: bold; ">Sinisa Djokic</span></font></b><font size="2" color="black" face="Arial"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: black; "></span></font><font color="black" face="Arial"><span style="font-family: Arial, sans-serif; color: black; "><o:p></o:p></span></font></div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><font size="2" color="black" face="Arial"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: black; ">System Engineer</span></font><font color="black" face="Arial"><span style="font-family: Arial, sans-serif; color: black; "><br></span></font><font size="2" color="black" face="Arial"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: black; ">CCIE #25996 Voice</span></font><font color="black" face="Arial"><span style="font-family: Arial, sans-serif; color: black; "><o:p></o:p></span></font></div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><font size="3" color="#1f497d" face="Times New Roman"><span style="font-size: 12pt; color: rgb(31, 73, 125); "> <o:p></o:p></span></font></div></div><table class="MsoNormalTable" border="0" cellpadding="0"><tbody><tr><td style="padding-top: 0.75pt; padding-right: 0.75pt; padding-bottom: 0.75pt; padding-left: 0.75pt; "><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><font size="3" color="#1f497d" face="Times New Roman"><span style="font-size: 12pt; color: rgb(31, 73, 125); "><span><image002.png></span><o:p></o:p></span></font></div></td><td style="padding-top: 0.75pt; padding-right: 0.75pt; padding-bottom: 0.75pt; padding-left: 0.75pt; "><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><font size="3" color="#1f497d" face="Times New Roman"><span style="font-size: 12pt; color: rgb(31, 73, 125); "> <o:p></o:p></span></font></div></td><td style="padding-top: 0.75pt; padding-right: 0.75pt; padding-bottom: 0.75pt; padding-left: 0.75pt; "><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><font size="1" color="black" face="Arial"><span style="font-size: 9pt; font-family: Arial, sans-serif; color: black; ">MDS Informaticki inzenjering<br>Milutina Milankovica 7d<br>11070 Novi Beograd, Serbia<br>Tel: +381 11 2015 200 +381 11 2015 200 , 2015 273<br>Fax: +381 11 3194 954</span></font><font size="1" color="#1f497d"><span style="font-size: 9pt; color: rgb(31, 73, 125); "><br></span></font><font size="1" color="#1f497d" face="Arial"><span style="font-size: 9pt; font-family: Arial, sans-serif; color: rgb(31, 73, 125); "><a href="http://www.mds.rs/" style="color: blue; text-decoration: underline; ">www.mds.rs</a></span></font><font size="1" color="#1f497d"><span style="font-size: 9pt; color: rgb(31, 73, 125); "><br></span></font><font size="1" color="#1f497d" face="Arial"><span style="font-size: 9pt; font-family: Arial, sans-serif; color: rgb(31, 73, 125); "><a href="mailto:sdjokic@mds.rs" style="color: blue; text-decoration: underline; ">sdjokic@mds.rs</a></span></font><font size="1" color="#1f497d"><span style="font-size: 9pt; color: rgb(31, 73, 125); "><o:p></o:p></span></font></div></td></tr></tbody></table><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><font size="1" color="#a6a6a6" face="Arial"><span style="font-size: 7pt; font-family: Arial, sans-serif; color: rgb(166, 166, 166); ">This e-mail message and any attachment are intended exclusively for the named addressee. They may contain confidential information which may also be protected by professional secrecy. Unless you are the named addressee (or authorised to receive for the addressee) you may not copy or use this message or any attachment or disclose the contents to anyone else. If this e-mail was sent to you by mistake please notify the sender immediately and delete this e-mail.<o:p></o:p></span></font></div><p class="MsoNormal" style="margin-top: 6pt; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><b><font size="5" color="green" face="Webdings"><span style="font-size: 16pt; font-family: Webdings; color: green; font-weight: bold; ">P</span></font></b><font size="1" color="#00b050" face="Arial"><span style="font-size: 8pt; font-family: Arial, sans-serif; color: rgb(0, 176, 80); "><span class="Apple-converted-space"> </span></span></font><font size="1" color="#00b050" face="Arial"><span style="font-size: 7pt; font-family: Arial, sans-serif; color: rgb(0, 176, 80); ">Save a tree. Don’t print this e-mail unless it’s really necessary.<o:p></o:p></span></font></p><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><font size="2" color="#1f497d" face="Calibri"><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); "><o:p> </o:p></span></font></div><div><div style="border-right-style: none; border-bottom-style: none; border-left-style: none; border-width: initial; border-color: initial; border-top-style: solid; border-top-color: rgb(181, 196, 223); border-top-width: 1pt; padding-top: 3pt; padding-right: 0in; padding-bottom: 0in; padding-left: 0in; "><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><b><font size="2" face="Tahoma"><span style="font-size: 10pt; font-family: Tahoma, sans-serif; font-weight: bold; ">From:</span></font></b><font size="2" face="Tahoma"><span style="font-size: 10pt; font-family: Tahoma, sans-serif; "><span class="Apple-converted-space"> </span>Ryan Ratliff [mailto:rratliff@cisco.com]<span class="Apple-converted-space"> </span><br><b><span style="font-weight: bold; ">Sent:</span></b><span class="Apple-converted-space"> </span>Tuesday, February 14, 2012 5:18 PM<br><b><span style="font-weight: bold; ">To:</span></b><span class="Apple-converted-space"> </span>Sinisa Djokic<br><b><span style="font-weight: bold; ">Cc:</span></b><span class="Apple-converted-space"> </span>'Cisco VOIP'<br><b><span style="font-weight: bold; ">Subject:</span></b><span class="Apple-converted-space"> </span>Re: [cisco-voip] 7825-I4 RAID and HDD strange behaviour or not !!!<o:p></o:p></span></font></div></div></div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><font size="3" face="Times New Roman"><span style="font-size: 12pt; "><o:p> </o:p></span></font></div><div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><font size="3" face="Times New Roman"><span style="font-size: 12pt; ">In general Raid1 should allow the system to boot off of a single drive after a hardware failure. That's what it is designed to do (afaik, I'm not a raid expert only play one on the internet). On the 7825 array in my experience if you are doing lots of pulling drives, failing drives, upgrading firmware on drives, etc that's going to mean lots and lots of array resyncing. If that resynchronization doesn't complete you don't have a redundant array. The server won't be able to use the backup drive if the failure occurs when the array isn't optimal.<o:p></o:p></span></font></div></div><div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><font size="3" face="Times New Roman"><span style="font-size: 12pt; "><o:p> </o:p></span></font></div></div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><font size="3" face="Times New Roman"><span style="font-size: 12pt; ">More inline below...<o:p></o:p></span></font></div><div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><font size="3" face="Times New Roman"><span style="font-size: 12pt; "><o:p> </o:p></span></font></div><div><div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><font size="4" color="black" face="Helvetica"><span style="font-size: 13.5pt; font-family: Helvetica, sans-serif; color: black; ">-Ryan<o:p></o:p></span></font></div></div></div><blockquote style="margin-top: 5pt; margin-bottom: 5pt; "><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><font size="3" face="Times New Roman"><span style="font-size: 12pt; "><o:p> </o:p></span></font></div><div><div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><font size="3" face="Times New Roman"><span style="font-size: 12pt; ">On Feb 14, 2012, at 10:43 AM, Sinisa Djokic wrote:<o:p></o:p></span></font></div></div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><font size="3" face="Times New Roman"><span style="font-size: 12pt; "><br><br></span></font><span class="apple-style-span"><font size="4" face="Lucida Grande"><span style="font-size: 13.5pt; font-family: 'Lucida Grande', serif; "><o:p></o:p></span></font></span></div><div><div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><font size="2" face="Calibri"><span style="font-size: 11pt; font-family: Calibri, sans-serif; ">hi group..</span></font><font size="2" face="Calibri"><span style="font-size: 11pt; font-family: Calibri, sans-serif; "><o:p></o:p></span></font></div></div><div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><font size="2" face="Calibri"><span style="font-size: 11pt; font-family: Calibri, sans-serif; "> <o:p></o:p></span></font></div></div><div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><font size="2" face="Calibri"><span style="font-size: 11pt; font-family: Calibri, sans-serif; ">does anybody have expertise on this matter..<o:p></o:p></span></font></div></div><div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><font size="2" face="Calibri"><span style="font-size: 11pt; font-family: Calibri, sans-serif; ">maybe wes or ryan have inside info..<o:p></o:p></span></font></div></div><div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><font size="2" face="Calibri"><span style="font-size: 11pt; font-family: Calibri, sans-serif; "> <o:p></o:p></span></font></div></div><div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><font size="2" face="Calibri"><span style="font-size: 11pt; font-family: Calibri, sans-serif; ">we had a TAC case with failed HDD and problematic RAID controller in MCS-7825-I4 server running CUCM 7.1.5..<o:p></o:p></span></font></div></div><div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><font size="2" face="Calibri"><span style="font-size: 11pt; font-family: Calibri, sans-serif; ">the symptom happend when we shutdown the server in order to check what IBR FRU is on memory inside the server..we checked it and after that we powered up the server.. RAID controller reports DEGRADED state..cisco OS started to boot and in certain point it reported something like “ unsupported hardware......not for the production..without TAC support..bla..bla..bla )”..we opened the case..<o:p></o:p></span></font></div></div><div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><font size="2" face="Calibri"><span style="font-size: 11pt; font-family: Calibri, sans-serif; ">during the case we upgraded all kinds of firmware on server and also find out that one HDD failed..we replaced it and troubleshooted more..<o:p></o:p></span></font></div></div><div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><font size="2" face="Calibri"><span style="font-size: 11pt; font-family: Calibri, sans-serif; ">finally we got RMA for the server but have spotted very strange behavior on the new server as well ( we put in into lab to test it )..so, we’re thinking , is the following expected behaviour or there is a serious problem in cisco OS or IBM HW..<o:p></o:p></span></font></div></div><div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><font size="2" face="Calibri"><span style="font-size: 11pt; font-family: Calibri, sans-serif; "> <o:p></o:p></span></font></div></div><div style="margin-left: 0.5in; "><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; text-indent: -0.25in; "><font size="2" face="Calibri"><span style="font-size: 11pt; font-family: Calibri, sans-serif; ">1.</span></font><font size="1"><span style="font-size: 7pt; "> <span class="apple-converted-space"> </span></span></font><font size="2" face="Calibri"><span style="font-size: 11pt; font-family: Calibri, sans-serif; ">first of all we upgraded the HDD firmware on the new server we got from RMA to 3B06 ( it was with 3B05 ) having in mind<span class="apple-converted-space"> </span><b><span style="font-weight: bold; ">CSCti52867<span class="apple-converted-space"> </span></span></b>which we hitted earlier..after that we’installed CUCM 7.1.5..<o:p></o:p></span></font></div></div></div></div></blockquote><div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><font size="3" face="Times New Roman"><span style="font-size: 12pt; ">At this point I'd guess that even 3B06 is old. Make sure your drives are on the latest firmware, and make sure your array is up and completely stable before applying the update. If it's degraded when you try to patch it can miss one of the drives and leave it on old firmware. If you hit CSCti52867 then you absolutely have to run the diskex...cop.sgn file (when the array is optimal) and really should rebuild the server. Just upgrading the firmware is not sufficient to fix or prevent future outages once the drives have started failing due to this bug.<o:p></o:p></span></font></div></div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><font size="3" face="Times New Roman"><span style="font-size: 12pt; "><br><br><o:p></o:p></span></font></div><div><div><div style="margin-left: 0.5in; "><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; text-indent: -0.25in; "><font size="2" face="Calibri"><span style="font-size: 11pt; font-family: Calibri, sans-serif; ">2.</span></font><font size="1"><span style="font-size: 7pt; "> <span class="apple-converted-space"> </span></span></font><font size="2" face="Calibri"><span style="font-size: 11pt; font-family: Calibri, sans-serif; ">when server is shut down and we pull out the right hard drive ( the one in BAY 1)..we power up the server..RAID controller detects one drive missing and reports DEGRADED state..cisco OS starts to boot and in certain point it reports again something like “ unsupported hardware......not for the production..without TAC support..bla..bla..bla )..<o:p></o:p></span></font></div></div></div></div><div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><font size="3" face="Times New Roman"><span style="font-size: 12pt; ">See the bug Wes pointed out. This is not expected behavior.<o:p></o:p></span></font></div></div><div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><font size="3" face="Times New Roman"><span style="font-size: 12pt; "><o:p> </o:p></span></font></div></div><blockquote style="margin-top: 5pt; margin-bottom: 5pt; "><div><div><div style="margin-left: 0.5in; "><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; text-indent: -0.25in; "><font size="2" face="Calibri"><span style="font-size: 11pt; font-family: Calibri, sans-serif; ">3.</span></font><font size="1"><span style="font-size: 7pt; "> <span class="apple-converted-space"> </span></span></font><font size="2" face="Calibri"><span style="font-size: 11pt; font-family: Calibri, sans-serif; ">when we shut down the server again..and switch the scenario..we get back the right HDD in server ( BAY 1 ) and pull out the left HDD out ( BAY 0 )..when we power up the server..it doesn’t even detect bootable device like there is no HDDs inside..<o:p></o:p></span></font></div></div></div></div></blockquote><div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><font size="3" face="Times New Roman"><span style="font-size: 12pt; ">If the BIOS doesn't detect the drive you've got a hardware issue either with the array or the disk, period. If the BIOS detects the drive but no OS is found then the drive most likely didn't get fully sync'd from a previous degraded state.<o:p></o:p></span></font></div></div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><font size="3" face="Times New Roman"><span style="font-size: 12pt; "><br><br><o:p></o:p></span></font></div><div><div><div style="margin-left: 0.5in; "><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; text-indent: -0.25in; "><font size="2" face="Calibri"><span style="font-size: 11pt; font-family: Calibri, sans-serif; ">4.</span></font><font size="1"><span style="font-size: 7pt; "> <span class="apple-converted-space"> </span></span></font><font size="2" face="Calibri"><span style="font-size: 11pt; font-family: Calibri, sans-serif; ">so, when we shut down the server again..and get back both HDDs where they belong..power up the server..everythings works fine..of course, RAID is resynching..<o:p></o:p></span></font></div></div></div></div><div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><font size="3" face="Times New Roman"><span style="font-size: 12pt; ">Does it ever finish resyncing? That can take hours and until it does the drive that is not in a good state is not redundant. <o:p></o:p></span></font></div></div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><font size="3" face="Times New Roman"><span style="font-size: 12pt; "><br><br><o:p></o:p></span></font></div><div><div><div style="margin-left: 0.5in; "><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; text-indent: -0.25in; "><font size="2" face="Calibri"><span style="font-size: 11pt; font-family: Calibri, sans-serif; ">5.</span></font><font size="1"><span style="font-size: 7pt; "> <span class="apple-converted-space"> </span></span></font><font size="2" face="Calibri"><span style="font-size: 11pt; font-family: Calibri, sans-serif; ">of course both HDDs used in server are in correct state and aren’t failed..<o:p></o:p></span></font></div></div></div></div><div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><font size="3" face="Times New Roman"><span style="font-size: 12pt; ">I wouldn't place bets on that just yet.<o:p></o:p></span></font></div></div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><font size="3" face="Times New Roman"><span style="font-size: 12pt; "><br><br><o:p></o:p></span></font></div><div><div><div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><font size="2" face="Calibri"><span style="font-size: 11pt; font-family: Calibri, sans-serif; "> <o:p></o:p></span></font></div></div><div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><font size="2" face="Calibri"><span style="font-size: 11pt; font-family: Calibri, sans-serif; ">so, i’m a little bit confused, since it’s happening on 2 different servers..identical scenario..my RAID1 perception is in serious doubt..<o:p></o:p></span></font></div></div><div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><font size="2" face="Calibri"><span style="font-size: 11pt; font-family: Calibri, sans-serif; ">does this mean that if HDD failed during regular maintenance shutdown ( which we had in the first place ), RAID shouldn’t provide operational system?..<o:p></o:p></span></font></div></div><div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><font size="2" face="Calibri"><span style="font-size: 11pt; font-family: Calibri, sans-serif; ">to be honest , we didn’t have failed disk while server was up and online so we couldn’t notice what’s going on in that situation..<o:p></o:p></span></font></div></div><div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><font size="2" face="Calibri"><span style="font-size: 11pt; font-family: Calibri, sans-serif; ">but the fact is, with the old server and with the new server, when we pull out one of the HDDs the system wouldn’t boot up properly..<o:p></o:p></span></font></div></div><div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><font size="2" face="Calibri"><span style="font-size: 11pt; font-family: Calibri, sans-serif; ">is this expected behaviour?..what’s the purpose of RAID1 then?..<o:p></o:p></span></font></div></div><div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><font size="2" face="Calibri"><span style="font-size: 11pt; font-family: Calibri, sans-serif; ">is RAID1 expected to cover just online HDD failure ( if so ) or it should work in every scenario?..<o:p></o:p></span></font></div></div><div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><font size="2" face="Calibri"><span style="font-size: 11pt; font-family: Calibri, sans-serif; ">any thoughts?..<o:p></o:p></span></font></div></div><div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><font size="2" face="Calibri"><span style="font-size: 11pt; font-family: Calibri, sans-serif; "> <o:p></o:p></span></font></div></div></div></div><div><div><div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><font size="2" face="Calibri"><span style="font-size: 11pt; font-family: Calibri, sans-serif; ">thanx..<o:p></o:p></span></font></div></div><div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><font size="2" face="Calibri"><span style="font-size: 11pt; font-family: Calibri, sans-serif; "> <o:p></o:p></span></font></div></div><div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><font size="2" face="Calibri"><span style="font-size: 11pt; font-family: Calibri, sans-serif; "> <o:p></o:p></span></font></div></div><div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><font size="2" face="Calibri"><span style="font-size: 11pt; font-family: Calibri, sans-serif; ">regards..<o:p></o:p></span></font></div></div><div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><font size="2" face="Calibri"><span style="font-size: 11pt; font-family: Calibri, sans-serif; "> <o:p></o:p></span></font></div></div><div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><b><font size="2" color="black" face="Arial"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: black; font-weight: bold; ">Sinisa Djokic</span></font></b><font size="2" face="Calibri"><span style="font-size: 11pt; font-family: Calibri, sans-serif; "><o:p></o:p></span></font></div></div><div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><font size="2" color="black" face="Arial"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: black; ">System Engineer</span></font><font color="black" face="Arial"><span style="font-family: Arial, sans-serif; color: black; "><br></span></font><font size="2" color="black" face="Arial"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: black; ">CCIE #25996 Voice</span></font><font size="2" face="Calibri"><span style="font-size: 11pt; font-family: Calibri, sans-serif; "><o:p></o:p></span></font></div></div><div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><font size="3" face="Times New Roman"><span style="font-size: 12pt; "> </span></font><font size="2" face="Calibri"><span style="font-size: 11pt; font-family: Calibri, sans-serif; "><o:p></o:p></span></font></div></div><table class="MsoNormalTable" border="0" cellpadding="0"><tbody><tr><td style="padding-top: 0.75pt; padding-right: 0.75pt; padding-bottom: 0.75pt; padding-left: 0.75pt; "><div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><font size="3" face="Times New Roman"><span style="font-size: 12pt; "><image002.png></span></font><font size="2" face="Calibri"><span style="font-size: 11pt; font-family: Calibri, sans-serif; "><o:p></o:p></span></font></div></div></td><td style="padding-top: 0.75pt; padding-right: 0.75pt; padding-bottom: 0.75pt; padding-left: 0.75pt; "><div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><font size="3" face="Times New Roman"><span style="font-size: 12pt; "> </span></font><font size="2" face="Calibri"><span style="font-size: 11pt; font-family: Calibri, sans-serif; "><o:p></o:p></span></font></div></div></td><td style="padding-top: 0.75pt; padding-right: 0.75pt; padding-bottom: 0.75pt; padding-left: 0.75pt; "><div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><font size="1" color="black" face="Arial"><span style="font-size: 9pt; font-family: Arial, sans-serif; color: black; ">MDS Informaticki inzenjering<br>Milutina Milankovica 7d<br>11070 Novi Beograd, Serbia<br>Tel: +381 11 2015 200 +381 11 2015 200 , 2015 273<br>Fax: +381 11 3194 954</span></font><font size="1"><span style="font-size: 9pt; 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