[j-nsp] ad1 msg on Juniper M series

[Masood Shah]

TENSION-Not:) The write cache is disabled by default. If you're a Unix guy then mpt manpage holds more information.
Just keep in mind that turning the disk's write cache on puts your data at risk. :-(

Regards,
Masood

________________________________

From: juniper-nsp-bounces at puck.nether.net on behalf of Shankar
Sent: Wed 11/4/2009 13:33
To: juniper-nsp at puck.nether.net
Subject: [j-nsp] ad1 msg on Juniper M series



Hi All, Of late I had replaced the Internal compact flash on Juniper M7is
and Juniper 10is. The root is mounted on ad0 (CF), but found that 'write
cache' is disabled on ad1...has anyone seen this before..No impact on box
performance...
****truncated o/p of 'show system boot-messaged****
sio3 at port 0x2e8-0x2ef irq 7 on isa0
sio3: type 16550A
fxp0: Ethernet address 00:a0:a5:5c:3c:66
fxp1: Ethernet address 02:00:00:00:00:04
DEVFS: ready to run
*ad0: 999MB <SILICONSYSTEMS INC 1GB> [2030/16/63] at ata0-master PIO4
ad1: found HTS548020M9AT00, disabling write cache
ad1: 19077MB <HTS548020M9AT00> [38760/16/63] at ata0-slave UDMA33*
Mounting root from ufs:/dev/ad0s1a

Cheers
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