Date: Sun, 16 Mar 2014 16:28:18 -0400 From: Dan Langille <dan@langille.org> To: Mark Saad <nonesuch@longcount.org> Cc: "freebsd-stable@freebsd.org" <freebsd-stable@freebsd.org> Subject: Re: sa0 devices disappear after power cycling tape library Message-ID: <0EFD6903-EAD5-4A52-82B3-1BB7E93F0970@langille.org> In-Reply-To: <09A7582E-ED1C-44A2-B235-ED9A8C7711F8@longcount.org> References: <0EA8C46E-9903-4602-8F82-2BB9BA1180A6@langille.org> <09A7582E-ED1C-44A2-B235-ED9A8C7711F8@longcount.org>
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--Apple-Mail=_FD272ECE-5707-494C-9B4A-416316D58DA3 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=windows-1252 On Mar 14, 2014, at 10:26 PM, Mark Saad <nonesuch@longcount.org> wrote: >=20 >=20 > On Mar 14, 2014, at 10:15 PM, Dan Langille <dan@langille.org> wrote: >=20 >>>> On Mar 14, 2014, at 8:14 PM, Dan Langille <dan@langille.org> wrote: >>>> =3D20 >>>> I have a tape library which acts up from time to time and I power = cycle it=3D >>> . >>>> =3D20 >>>> After running camcontrol devlist rescan, some of the devices are = missing >>>> =3D20 >>>> This what I see in dev after power cycling the FreeBSD 9.2 server: >>>> =3D20 >>>> $ 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 >>>> =3D20 >>>> This is what I see after rebooting the FreeBSD server: >>>> =3D20 >>>> $ 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 >>>> =3D20 >>>> Should I just do some ln -s? Something easier, I=3DE2=3D80=3D99m = sure=3DE2=3D80=3DA6.=3D >>>=20 >>>> =3D20 >>>=20 >>>=20 >>> Have you tried a camcontrol rescan ? >>=20 >> Yes, that=92s what I meant by 'camcontrol devlist rescan=92 above=85 >>=20 >=20 > Sorry I missed that , I think that syntax may not do what you want=20 >=20 >> I ran: camcontrol rescan all. The output above is after that = command. >>=20 >=20 >=20 > How is the dlt drive attached , fc-al , sas or SCSI ?=20 >=20 >=20 >>> Also what does camcontrol devlist -v s=3D >>> how before and after the reboot ?=3D20 >>=20 >> I don=92t have before, but after is: >>=20 >> $ sudo camcontrol devlistol devlist >> Password: >> <ATA TOSHIBA DT01ACA3 ABB0> at scbus0 target 2 lun 0 = (pass0,da0) >> <ATA TOSHIBA DT01ACA3 ABB0> at scbus0 target 10 lun 0 = (pass1,da1) >> <ATA TOSHIBA DT01ACA3 ABB0> at scbus0 target 11 lun 0 = (pass2,da2) >> <ATA TOSHIBA DT01ACA3 ABB0> at scbus0 target 12 lun 0 = (pass3,da3) >> <ATA TOSHIBA DT01ACA3 ABB0> at scbus0 target 13 lun 0 = (pass4,da4) >> <ATA TOSHIBA DT01ACA3 ABB0> at scbus0 target 14 lun 0 = (pass5,da5) >> <ATA TOSHIBA DT01ACA3 ABB0> at scbus0 target 16 lun 0 = (pass6,da6) >> <ATA TOSHIBA DT01ACA3 ABB0> at scbus0 target 17 lun 0 = (pass7,da7) >> <TOSHIBA DT01ACA300 MX6OABB0> at scbus5 target 0 lun 0 = (ada0,pass8) >> <TOSHIBA DT01ACA300 MX6OABB0> at scbus5 target 1 lun 0 = (ada1,pass9) >> <QUANTUM DLT8000 0250> at scbus7 target 4 lun 0 = (sa0,pass10) >> <OVERLAND LXB 0524> at scbus7 target 6 lun 0 = (pass11,ch0) >>=20 >> IIRC, before I ran the command, the last two entries were missing. >>=20 >=20 > So this is a robotic library and drive ?=20 Yes. It is. >=20 >=20 > Also do I I read you right the sa0 entry is back,or you still just = have have sa0.0 ? It is back: $ ls /dev/*sa* /dev/esa0 /dev/esa0.0 /dev/esa0.1 /dev/esa0.2 /dev/esa0.3 = /dev/nsa0 /dev/nsa0.0 /dev/nsa0.1 /dev/nsa0.2 /dev/nsa0.3 = /dev/sa0 /dev/sa0.0 /dev/sa0.1 /dev/sa0.2 /dev/sa0.3 = /dev/sa0.ctl >=20 > You could use etc/devfs.conf to make a link entry , see the end of = the file for examples. But I suspect something else is up . I have seen = this before but I can't remember what caused it off hand .=20 The tape library started acting up recently (past few weeks). Whenever = I insert a new magazine, it no longer runs an inventory as it did = previously. This is what prompts me to power cycle. >=20 >=20 >> --=20 >> Dan Langille - http://langille.org >>=20 >=20 >=20 > Mark saad | mark.saad@longcount.org=20 > _______________________________________________ > freebsd-stable@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-stable > To unsubscribe, send any mail to = "freebsd-stable-unsubscribe@freebsd.org" --=20 Dan Langille - http://langille.org --Apple-Mail=_FD272ECE-5707-494C-9B4A-416316D58DA3 Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename=signature.asc Content-Type: application/pgp-signature; name=signature.asc Content-Description: Message signed with OpenPGP using GPGMail -----BEGIN PGP SIGNATURE----- Comment: GPGTools - http://gpgtools.org iEYEARECAAYFAlMmCWIACgkQCgsXFM/7nTwZdgCeIDEnydxAER2fwKOVTEJJfCmJ mKIAnjKFFgLWGp0Kr4FtXQVWxu7ie7/w =vvMr -----END PGP SIGNATURE----- --Apple-Mail=_FD272ECE-5707-494C-9B4A-416316D58DA3--
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