Re: RAID 6 Failure follow up

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This is interesting to hear as I have been using smartmontools on my
Supermicro LSI 1068E controller with the target firmware for 2 years
now on CentOS 5. I have 3 RAID 1 arrays across 2 drives, a RAID 5
drive across 3 drives, and a RAID 0 across 2 drives.

I routinely will query smartctrl with something like

for i in a b c d e f; do smartctl -a /dev/sd$i | grep Reallocated; done

or

for i in a b c d e f; do smartctl -a /dev/sd$i | grep Temperature; done

Here are the system details

 cat /proc/mdstat
Personalities : [raid1] [raid6] [raid5] [raid4] [raid0]
md0 : active raid1 sdb1[1] sda1[0]
      104320 blocks [2/2] [UU]

md2 : active raid1 sdb3[1] sda3[0]
      2032128 blocks [2/2] [UU]

md3 : active raid0 sdd1[1] sdc1[0]
      625137152 blocks 64k chunks

md4 : active raid5 sdg1[2] sdf1[1] sde1[0]
      1953519872 blocks level 5, 64k chunk, algorithm 2 [3/3] [UUU]

md1 : active raid1 sdb2[1] sda2[0]
      154151616 blocks [2/2] [UU]

lpsci
02:00.0 SCSI storage controller: LSI Logic / Symbios Logic SAS1068E
PCI-Express Fusion-MPT SAS (rev 08)

modprobe.conf
alias scsi_hostadapter mptbase
alias scsi_hostadapter1 mptsas

rpm -qa | grep smartmontools
smartmontools-5.38-2.el5

uname -r
2.6.18-128.4.1.el5

On Sun, Nov 8, 2009 at 5:59 PM, Richard Scobie <richard@xxxxxxxxxxx> wrote:
> Andrew Dunn wrote:
>>
>> I am not, but this is quite interesting. What versions are affected? I
>> am in ubuntu 9.10.
>
> To my knowledge, there is no smartmontools version safe for use on these LSI
> based controllers.
>
> You may run smartctl commands a few times and get away with it, but
> eventually it will bite you.
>
> Losing 14 drives on a 16 drive array as a result, is no fun...
>
> Hopefully it will be fixed one day.
>
> Regards,
>
> Richard
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