Mike:
maybe i am blind and don't see
this info in your reply
do you use Adaptec 3960D scsi adapter ?
Mike Galvez wrote:
On Thu, Apr 20, 2006 at 12:35:59PM -0400, Stas Khromoy wrote:
i am pretty sure backups don't work when error comes up
and the tape drive locks up at that time too, requiring a cold reset
is any one else using this tape model (powervault 114t LTO2 tape drive)?
Stas,
I am using a PV-124T LTO2. I am having similar issues with the changer
locking up when moving tapes. I didn't see the earlier part of this thread,
so I don't know what you are using for backup software.
I'm using Amanda 2.4.5p1 with FreeBSD 6.1-RC1 on Dell PE-850 and having a few
issues getting it to run smoothly. I was beginning to wonder if I got a bad
changer.
I am able to make backups and restore from them, but every so often I get a
"Dump Card State" message and the changer locks up and has to be power-cycled.
ch0 at ahc0 bus 0 target 6 lun 1
ch0: <DELL PV-124T 0026> Removable Changer SCSI-2 device
ch0: 160.000MB/s transfers (80.000MHz, offset 127, 16bit)
ch0: 8 slots, 1 drive, 1 picker, 0 portals
(sa0:ahc0:0:6:0): tape is now frozen- use an OFFLINE, REWIND or MTEOM command
to clear this state.
(sa0:ahc0:0:6:0): tape is now frozen- use an OFFLINE, REWIND or MTEOM command
to clear this state.
ahc0: Recovery Initiated
Dump Card State Begins <<<<<<<<<<<<<<<<<
ahc0: Dumping Card State while idle, at SEQADDR 0x8
Card was paused
ACCUM = 0x4, SINDEX = 0x67, DINDEX = 0x27, ARG_2 = 0x4
HCNT = 0x0 SCBPTR = 0x0
SCSIPHASE[0x0] SCSISIGI[0x0] ERROR[0x0] SCSIBUSL[0x0]
LASTPHASE[0x1]:(P_BUSFREE) SCSISEQ[0x12]:(ENAUTOATNP|ENRSELI)
SBLKCTL[0xa]:(SELWIDE|SELBUSB) SCSIRATE[0x0] SEQCTL[0x10]:(FASTMODE)
SEQ_FLAGS[0xc0]:(NO_CDB_SENT|NOT_IDENTIFIED) SSTAT0[0x0]
----- snip ----
This probably isn't helpful as I don't have an answer for why this happening.
I'm still looking.
-Mike
-----
[snip]
Do you know for sure if the backups are failing? It's possible the dump
card states are harmless. I have some systems that do a dump card state
on boot but that have never exhibited an actual problem.
Another suggestion is to check if you have the latest firmware for both
the tape drive and the controller.
Still more people will probably say that there is bad voodoo between
whoever your controller vendor is and whoever your drive vendor is.
Mike
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