sa0 devices disappear after power cycling tape library
Mark Saad
nonesuch at longcount.org
Sat Mar 15 01:29:36 UTC 2014
> On Mar 14, 2014, at 8:14 PM, Dan Langille <dan at langille.org> wrote:
>
> I have a tape library which acts up from time to time and I power cycle it.
>
> After running camcontrol devlist rescan, some of the devices are missing
>
> This what I see in dev after power cycling the FreeBSD 9.2 server:
>
> $ ls *sa*
> lrwxr-xr-x 1 root wheel 6 Mar 8 02:12 esa0 -> esa0.0
> crw-rw---- 1 root operator 0x70 Mar 8 02:12 esa0.0
> crw-rw---- 1 root operator 0x76 Mar 8 02:12 esa0.1
> crw-rw---- 1 root operator 0x79 Mar 8 02:12 esa0.2
> crw-rw---- 1 root operator 0x7c Mar 8 02:12 esa0.3
> crw-rw---- 1 root operator 0x75 Mar 8 02:12 nsa0.1
> crw-rw---- 1 root operator 0x78 Mar 8 02:12 nsa0.2
> crw-rw---- 1 root operator 0x7b Mar 8 02:12 nsa0.3
> crw-rw---- 1 root operator 0x74 Mar 8 02:12 sa0.1
> crw-rw---- 1 root operator 0x77 Mar 8 02:12 sa0.2
> crw-rw---- 1 root operator 0x7a Mar 8 02:12 sa0.3
>
> This is what I see after rebooting the FreeBSD server:
>
> $ ls -l *sa*
> lrwxr-xr-x 1 root wheel 6 Mar 15 00:09 esa0 -> esa0.0
> crw-rw---- 1 root operator 0x70 Mar 15 00:09 esa0.0
> crw-rw---- 1 root operator 0x76 Mar 15 00:09 esa0.1
> crw-rw---- 1 root operator 0x79 Mar 15 00:09 esa0.2
> crw-rw---- 1 root operator 0x7c Mar 15 00:09 esa0.3
> lrwxr-xr-x 1 root wheel 6 Mar 15 00:09 nsa0 -> nsa0.0
> crw-rw---- 1 root operator 0x6f Mar 15 00:09 nsa0.0
> crw-rw---- 1 root operator 0x75 Mar 15 00:09 nsa0.1
> crw-rw---- 1 root operator 0x78 Mar 15 00:09 nsa0.2
> crw-rw---- 1 root operator 0x7b Mar 15 00:09 nsa0.3
> lrwxr-xr-x 1 root wheel 5 Mar 15 00:09 sa0 -> sa0.0
> crw-rw---- 1 root operator 0x6e Mar 15 00:09 sa0.0
> crw-rw---- 1 root operator 0x74 Mar 15 00:09 sa0.1
> crw-rw---- 1 root operator 0x77 Mar 15 00:09 sa0.2
> crw-rw---- 1 root operator 0x7a Mar 15 00:09 sa0.3
> crw-rw---- 1 root operator 0x6d Mar 15 00:09 sa0.ctl
>
> Should I just do some ln -s? Something easier, I’m sure….
>
Have you tried a camcontrol rescan ? Also what does camcontrol devlist -v show before and after the reboot ?
> --
> Dan Langille - http://langille.org
>
Mark saad | mark.saad at longcount.org
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