On Saturday 15 July 2006 12:41, Julien Cigar wrote: > Hello Kern, > > Indeed, I've already read the "tape testing chapter" and the FAQ at > least three times, made the btape test and the btape fill twice (with > success ...), tried with block positionning = no, with minimum block > size = 1024 and maximum block size = 1024, ... > > However, it *seems* to work for now ... I'll be fixed monday (the full > backup jobs runs every sunday at 3:00am).
Yes, I saw in your subsequent email. I'll add a short word to say that if the recommended commands do not work, it is likely you need to load the appropriate mt tools package. > > Julien > > Kern Sibbald wrote: > > From a cursory look at what you are doing, it doesn't look like you are > > using the right commands. > > > > Please take ten minutes to read the tape testing chapter of the manual. > > All this is explained there, with the correct commands to use. If you > > have already done this and executed the correct commands, ignore my email > > as I have not followed the thread. > > > > On Friday 14 July 2006 17:08, Julien Cigar wrote: > >> Brett, > >> > >> (Under Linux it's "stoptions" in place of "setstoptions".) > >> > >> Under kernel 2.6 I have no results in /var/log/syslog or > >> /var/log/messages > >> > >> Under kernel 2.4 I have this: > >> Jul 14 11:30:32 localhost kernel: st0: Mode 0 options: buffer writes: 1, > >> async writes: 1, read ahead: 1 > >> Jul 14 11:30:32 localhost kernel: st0: can bsr: 0, two FMs: 0, fast > >> mteom: 0, auto lock: 0, > >> Jul 14 11:30:32 localhost kernel: st0: defs for wr: 0, no block > >> limits: 0, partitions: 0, s2 log: 0 > >> Jul 14 11:30:32 localhost kernel: st0: sysv: 0 nowait: 0 > >> > >> When I boot (under kernel 2.6) I noticed: > >> Jul 14 15:36:49 localhost kernel: scsi0 : Adaptec AIC7XXX EISA/VLB/PCI > >> SCSI HBA DRIVER, Rev 7.0 > >> Jul 14 15:36:49 localhost kernel: <Adaptec 2940 Ultra SCSI > >> adapter> Jul 14 15:36:49 localhost kernel: aic7880: Ultra Wide > >> Channel A, SCSI Id=7, 16/253 SCBs > >> Jul 14 15:36:49 localhost kernel: > >> Jul 14 15:36:49 localhost kernel: Vendor: SONY Model: > >> SDX-500C Rev: 0204 > >> Jul 14 15:36:49 localhost kernel: Type: > >> Sequential-Access ANSI SCSI revision: 02 > >> Jul 14 15:36:49 localhost kernel: target0:0:6: Beginning Domain > >> Validation Jul 14 15:36:49 localhost kernel: target0:0:6: wide > >> asynchronous. Jul 14 15:36:49 localhost kernel: target0:0:6: FAST-10 > >> WIDE SCSI 20.0 MB/s ST (100 ns, offset 8) > >> Jul 14 15:36:49 localhost kernel: target0:0:6: Domain Validation > >> skipping write tests > >> Jul 14 15:36:49 localhost kernel: target0:0:6: Ending Domain Validation > >> Jul 14 15:36:49 localhost kernel: st: Version 20050830, fixed bufsize > >> 32768, s/g segs 256 > >> Jul 14 15:36:49 localhost kernel: st 0:0:6:0: Attached scsi tape > >> st0<4>st0: try direct i/o: yes (alignment 512 B), max page reachable by > >> HBA 1048575 > >> > >> As you can see the drive starts with a fixed block size of 32k. So after > >> the boot, I stop all the bacula daemons and I setblk 0 and stoptions 7 > >> (buffer write + async writes + read ahead). Then I relaunch the bacula > >> daemons. > >> Is it possible that the kernel or the driver (or ...) "resets" the block > >> size after a mt -f /dev/nst0 setblk 0 and an ejecting of the tape from > >> the tape drive ? (I checked with mt -f /dev/nst0 status but it's still > >> on '0' so I presume that the drive is still in variable block mode). > >> > >> Another question, is it possible that it fails because I don't *umount > >> before ejecting the tape ? (I press on the eject button of the tape > >> drive) In fact the people who have to change the tape when they received > >> a mail should not access bconsole (too complicated ...), so all they > >> have to do is to press on the button and put the other tape (so without > >> having to *umount). > >> > >> Many thanks, > >> Julien > >> > >> [EMAIL PROTECTED] wrote: > >>> Dear Julian, > >>> > >>> This is good, but we were both referring to in between jobs (after > >>> daemon has started). The original commands I gave: mt -f /dev/nst0 > >>> setstoptions 0 > >>> grep st0 /var/log/messages > >>> > >>> Will show you if these settings are being changed indvertedly by either > >>> (a) bacula or (b) the kernel driver prior to the restore command (e.g. > >>> by the mount command which 'opens' the tape drive). > >>> > >>> Best Regards, > >>> > >>> Brett > >>> -----Original Message----- > >>> From: [EMAIL PROTECTED] > >>> [mailto:[EMAIL PROTECTED] On Behalf Of Julien > >>> Cigar Sent: 14 July 2006 15:38 > >>> To: bacula-users@lists.sourceforge.net > >>> Subject: Re: [Bacula-users] Last chance before I throw [EMAIL PROTECTED] > >>> tapedrivethrough the window ... > >>> > >>> In fact I always do this _before_ launching the bacula storage daemon : > >>> mt -f /dev/nst0 stoptions 7 > >>> mt -f /dev/nst0 setblk 0 > >>> > >>> Georger Araujo wrote: > >>>> Judging from the "BB02" string, I suspect it to be a problem with the > >>>> block size. I've had such problems when I first deployed Bacula, so I > >>>> ALWAYS set the block size before I mount a tape, and also after I > >>>> eject it. > >>>> Here's my set_blocksize.sh script: > >>>> > >>>> 8<--cut-here---------------- > >>>> #!/bin/sh > >>>> # Set variable block mode (BlockSize = 0) # Fixed block (BlockSize <> > >>>> 0) is WRONG! > >>>> # If in doubt, run tapeinfo -f /dev/sg0 - BlockSize should be 0 mt -f > >>>> /dev/nst0 defblksize 0 # Rewind the tape mt -f /dev/nst0 rewind > >>>> ---------------cut-here-->8 > >>>> > >>>> Here's my eject_tape.sh script: > >>>> > >>>> 8<--cut-here---------------- > >>>> #! /bin/sh > >>>> cd /etc/bacula > >>>> # Set variable block mode > >>>> # If in doubt, run tapeinfo -f /dev/sg0 - should be 0 mt -f /dev/nst0 > >>>> defblksize 0 # Rewind the tape mt -f /dev/nst0 rewind # Eject the tape > >>>> mt -f /dev/nst0 eject exit 0 > >>>> ---------------cut-here-->8 > >>>> > >>>> While I'm at it, here's tape_properties.sh ... > >>>> > >>>> 8<--cut-here---------------- > >>>> #! /bin/sh > >>>> tapeinfo -f /dev/sg0 > >>>> exit 0 > >>>> ---------------cut-here-->8 > >>>> > >>>> ... and clear_label.sh: > >>>> > >>>> 8<--cut-here---------------- > >>>> #!/bin/sh > >>>> # Manually relabel a tape. > >>>> # > >>>> # Run bconsole > >>>> # unmount > >>>> # delete media volume > >>>> > >>>> # Set variable block mode > >>>> # If in doubt, run tapeinfo -f /dev/sg0 - should be 0 mt -f /dev/nst0 > >>>> defblksize 0 # Rewind the tape mt -f /dev/nst0 rewind # Write physical > >>>> End Of File (EOF) to the tape mt -f /dev/nst0 weof > >>>> > >>>> # Run bconsole > >>>> # label > >>>> # mount > >>>> ---------------cut-here-->8 > >>>> > >>>> My Bacula server (director/client/storage): Dell 2800 running RHELAS 4 > >>>> with an IBM LTO-2 tape drive. > >>>> Regards, > >>>> > >>>> Georger > >>>> > >>>> --- [EMAIL PROTECTED] escreveu: > >>>>> Dear Julien, > >>>>> > >>>>> The only thing I can suggest now is that you review what happens to > >>>>> the tape options via: > >>>>> > >>>>> mt -f /dev/nst0 stoptions 0 > >>>>> grep st0 /var/log/messages > >>>>> > >>>>> Between backup and restore (i.e. before backup and before restore but > >>>>> after the mount command) in case they are being reset somehow (by the > >>>>> mount maybe?). > >>>>> > >>>>> The manual indicates that the error you are getting is possibly > >>>>> related to block positioning. As you have indicated it might also be > >>>>> a kernel issue. > >>>>> > >>>>> Best Regards, > >>>>> > >>>>> Brett > >>>> > >>>> _______________________________________________________ > >>>> Você quer respostas para suas perguntas? Ou você sabe muito e quer > >>>> compartilhar seu conhecimento? Experimente o Yahoo! Respostas ! > >>>> http://br.answers.yahoo.com/ > >>>> > >>>> > >>>> ---------------------------------------------------------------------- > >>>> --- Using Tomcat but need to do more? Need to support web services, > >>>> security? > >>>> Get stuff done quickly with pre-integrated technology to make your job > >>>> easier Download IBM WebSphere Application Server v.1.0.1 based on > >>>> Apache Geronimo > >>>> http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=1216 > >>>> 42 _______________________________________________ > >>>> Bacula-users mailing list > >>>> Bacula-users@lists.sourceforge.net > >>>> https://lists.sourceforge.net/lists/listinfo/bacula-users > >>> > >>> ----------------------------------------------------------------------- > >>>-- Using Tomcat but need to do more? Need to support web services, > >>> security? Get stuff done quickly with pre-integrated technology to make > >>> your job easier Download IBM WebSphere Application Server v.1.0.1 based > >>> on Apache Geronimo > >>> http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=12164 > >>>2 _______________________________________________ > >>> Bacula-users mailing list > >>> Bacula-users@lists.sourceforge.net > >>> https://lists.sourceforge.net/lists/listinfo/bacula-users > >>> > >>> ______________________________________________________________________ > >>> This email has been scanned by the MessageLabs Email Security System. > >>> For more information please visit http://www.messagelabs.com/email > >>> ______________________________________________________________________ > >>> > >>> ______________________________________________________________________ > >>> This email has been scanned by the MessageLabs Email Security System. > >>> For more information please visit http://www.messagelabs.com/email > >>> ______________________________________________________________________ > >> > >> ------------------------------------------------------------------------ > >>- Using Tomcat but need to do more? Need to support web services, > >> security? Get stuff done quickly with pre-integrated technology to make > >> your job easier Download IBM WebSphere Application Server v.1.0.1 based > >> on Apache Geronimo > >> http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 > >> _______________________________________________ > >> Bacula-users mailing list > >> Bacula-users@lists.sourceforge.net > >> https://lists.sourceforge.net/lists/listinfo/bacula-users > > ------------------------------------------------------------------------- > Using Tomcat but need to do more? Need to support web services, security? > Get stuff done quickly with pre-integrated technology to make your job > easier Download IBM WebSphere Application Server v.1.0.1 based on Apache > Geronimo > http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 > _______________________________________________ > Bacula-users mailing list > Bacula-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/bacula-users ------------------------------------------------------------------------- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 _______________________________________________ Bacula-users mailing list Bacula-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bacula-users
