<html><head><style type='text/css'>p { margin: 0; }</style></head><body><div style='font-family: Verdana; font-size: 10pt; color: #000000'>with the old MCS servers, the disk array bios would warn you that you had a disk in slot A that was originally configured for slot B and it would give you the option to switch it. that would work with one disk, not sure if it would work with two input into the wrong slots.<br><br>lesson learned: label your disks. ;)<br><br>---<br>Lelio Fulgenzi, B.A.<br>Senior Analyst (CCS) * University of Guelph * Guelph, Ontario N1G 2W1<br>(519) 824-4120 x56354 (519) 767-1060 FAX (JNHN)<br>^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^<br>"Bad grammar makes me [sic]" - Tshirt<br><br><br>----- Original Message -----<br>From: "Ryan Ratliff" <rratliff@cisco.com><br>To: "Jason Aarons (US)" <jason.aarons@us.didata.com><br>Cc: cisco-voip@puck.nether.net<br>Sent: Friday, December 4, 2009 10:48:17 AM GMT -05:00 US/Canada Eastern<br>Subject: Re: [cisco-voip] RAID1 disk mirroring<br><br><div>The drive location is a function of the array controller not the OS (afaik). I've certainly killed drives with Windows on them by putting them in the wrong slot.</div><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-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px;"><div>-Ryan</div></span>
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<br><div><div>On Dec 4, 2009, at 10:31 AM, Jason Aarons (US) wrote:</div><br class="Apple-interchange-newline"><span class="Apple-style-span" style="border-collapse: separate; font-family: Helvetica; font-size: medium; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px;"><div style="" lang="EN-US"><div class="Section1"><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman',serif;"><span style="font-size: 11pt; font-family: Calibri,sans-serif; color: rgb(31, 73, 125);">Am I correct in that mirroring behaved differently going from CCM4x/Windows 2000 to CCM6/xRedHat in that before you could boot off mirrored drive in either slot on MCS-7835/7845? </span></div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman',serif;"><span style="font-size: 11pt; font-family: Calibri,sans-serif; color: rgb(31, 73, 125);"> </span></div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman',serif;"><span style="font-size: 11pt; font-family: Calibri,sans-serif; color: rgb(31, 73, 125);">It seems to me that the newer Platform is more picky about drive location in the raid array, etc. Not sure if it’s limitation of the Linux raid drivers , RHEL, etc. </span></div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman',serif;"><span style="font-size: 11pt; font-family: Calibri,sans-serif; color: rgb(31, 73, 125);"> </span></div><div><div style="border-style: solid none none; border-top: 1pt solid rgb(181, 196, 223); padding: 3pt 0in 0in;"><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman',serif;"><b><span style="font-size: 10pt; font-family: Tahoma,sans-serif;">From:</span></b><span style="font-size: 10pt; font-family: Tahoma,sans-serif;"><span class="Apple-converted-space"> </span><a href="mailto:cisco-voip-bounces@puck.nether.net" style="color: blue; text-decoration: underline;" target="_blank">cisco-voip-bounces@puck.nether.net</a><span class="Apple-converted-space"> </span>[mailto:cisco-voip-bounces@puck.nether.net]<span class="Apple-converted-space"> </span><b>On Behalf Of<span class="Apple-converted-space"> </span></b>Ryan Ratliff<br><b>Sent:</b><span class="Apple-converted-space"> </span>Friday, December 04, 2009 10:20 AM<br><b>To:</b><span class="Apple-converted-space"> </span>cips<br><b>Cc:</b><span class="Apple-converted-space"> </span><a href="mailto:cisco-voip@puck.nether.net" style="color: blue; text-decoration: underline;" target="_blank">cisco-voip@puck.nether.net</a><br><b>Subject:</b><span class="Apple-converted-space"> </span>Re: [cisco-voip] RAID1 disk mirroring</span></div></div></div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman',serif;"> </div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman',serif;">Not supported by HP or Cisco as cips stated.</div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman',serif;"> </div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman',serif;">That said:</div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman',serif;">1. The server definitely won't boot and I wouldn't expect either disk to be usable if you put them into the wrong slots.</div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman',serif;">2. Depending on the raid controller settings on the second server and the hardware between both servers it could do anything from boot normally to corrupt both disks.</div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman',serif;"> </div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman',serif;">I'd highly encourage you to test both scenarios with data on the hard disks you don't mind losing.</div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman',serif;"> </div><div><div><div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman',serif;"><span style="font-size: 13.5pt; font-family: Helvetica,sans-serif; color: black;">-Ryan</span></div></div></div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman',serif;"> </div><div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman',serif;">On Dec 4, 2009, at 7:16 AM, cips wrote:</div></div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman',serif;"><br><br><span class="apple-style-span"><span style="font-size: 13.5pt; font-family: Helvetica,sans-serif;"></span></span></div><div><div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman',serif;"><span style="font-size: 11pt; font-family: Calibri,sans-serif; color: rgb(31, 73, 125);">For Cisco MCS server this procedure is officially not supported…</span><span lang="NL"></span></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman',serif;"><span style="font-size: 11pt; font-family: Calibri,sans-serif; color: rgb(31, 73, 125);"> </span><span lang="NL"></span></div></div><div style="margin-left: 0.5in;"><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman',serif; text-indent: -0.25in;"><span style="font-size: 11pt; font-family: Calibri,sans-serif; color: rgb(31, 73, 125);">1.</span><span style="font-size: 7pt; color: rgb(31, 73, 125);"> <span class="apple-converted-space"> </span></span><span style="font-size: 11pt; font-family: Calibri,sans-serif; color: rgb(31, 73, 125);">The system will boot from the primary disk</span><span lang="NL"></span></div></div><div style="margin-left: 0.5in;"><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman',serif; text-indent: -0.25in;"><span style="font-size: 11pt; font-family: Calibri,sans-serif; color: rgb(31, 73, 125);">2.</span><span style="font-size: 7pt; color: rgb(31, 73, 125);"> <span class="apple-converted-space"> </span></span><span style="font-size: 11pt; font-family: Calibri,sans-serif; color: rgb(31, 73, 125);">In the new server the system will boot but you might have issues with (raid) drivers in the os</span><span lang="NL"></span></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman',serif;"><span style="font-size: 11pt; font-family: Calibri,sans-serif; color: rgb(31, 73, 125);"> </span><span lang="NL"></span></div></div><div style="border-style: solid none none; padding: 3pt 0in 0in;"><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman',serif;"><b><span style="font-size: 10pt; font-family: Tahoma,sans-serif;">From:</span></b><span class="apple-converted-space"><span style="font-size: 10pt; font-family: Tahoma,sans-serif;"> </span></span><span style="font-size: 10pt; font-family: Tahoma,sans-serif;"><a href="mailto:cisco-voip-bounces@puck.nether.net" style="color: blue; text-decoration: underline;" target="_blank">cisco-voip-bounces@puck.nether.net</a><span class="apple-converted-space"> </span>[mailto:cisco-voip-bounces@puck.nether.net]<span class="apple-converted-space"> </span><b>On Behalf Of<span class="apple-converted-space"> </span></b>ifilxh<br><b>Sent:</b><span class="apple-converted-space"> </span>vrijdag 4 december 2009 12:55<br><b>To:</b><span class="apple-converted-space"> </span><a href="mailto:cisco-voip@puck.nether.net" style="color: blue; text-decoration: underline;" target="_blank">cisco-voip@puck.nether.net</a><br><b>Subject:</b><span class="apple-converted-space"> </span>[cisco-voip] RAID1 disk mirroring</span><span lang="NL"></span></div></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman',serif;"><span lang="NL"> </span></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman',serif;"><span lang="NL">Our normal disk swap procedure is<br>1. power off the server<br>2. pull disk 1 out<br>3. if upgrade fails, power off the server again, pull out disk 0, and put disk 1 back to the original tray, power on the server and then put disk 0 back to tray0<br><br>Curious to know<br>1. what is going to happen if I pull out both disks and swap the disks, disk1 goes to the slot0, disk0 goes to slot1<br>1. what is going to happen if I pull out both disks and insert them to another server<br><br>Thanks in advance.</span></div></div></div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman',serif;"><span style="font-size: 13.5pt; font-family: Helvetica,sans-serif;" lang="NL">_______________________________________________<br>cisco-voip mailing list<br><a href="mailto:cisco-voip@puck.nether.net" style="color: blue; 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