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тАО06-14-2004 10:01 AM
тАО06-14-2004 10:01 AM
VS80 & Backup Exec 9.1 Build 4691
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тАО06-14-2004 12:50 PM
тАО06-14-2004 12:50 PM
Re: VS80 & Backup Exec 9.1 Build 4691
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тАО06-14-2004 08:25 PM
тАО06-14-2004 08:25 PM
Re: VS80 & Backup Exec 9.1 Build 4691
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тАО06-19-2004 03:21 AM
тАО06-19-2004 03:21 AM
Re: VS80 & Backup Exec 9.1 Build 4691
I know what you've been going through! I've got an brand new identical setup (ML350 G3, VS90 BExec 9.1). I've tried everything I can find (block sizes, Hp & Veritas drivers, different port... - all except another card).
Have you solved this yet? The speed problems only seem to be at backup, as I restored 25Gb data in less than 2 hours OK.
Any help gratefully received!
Thanks
Paul
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тАО06-20-2004 09:28 PM
тАО06-20-2004 09:28 PM
Re: VS80 & Backup Exec 9.1 Build 4691
I tested the server with a new HP SDLT drive over the weekend, and that works fine (i.e. backup & verify 8.5GB in less than 20 minutes). I've reported this to HP & will come back if I hear any news.
The backup speed, when it gets going, averages about 180-200MB/Min on the C drive. I've also found restores are ok with no initial pre-processing latency.
Rgds
Adrian
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тАО06-21-2004 11:38 AM
тАО06-21-2004 11:38 AM
Re: VS80 & Backup Exec 9.1 Build 4691
Thanks for the message. I'm wondering if it might have somethingto do with preparing the tape for a disaster recovery boot?
I guess we can put up with the pre-processing delay for overnight backups, but it would be a pain if you just want to run a small/quick archive during the day.
I'll let you know if I find out anything before you.
Regards
Paul
P.S. Where are you (I'm South London UK) - just wondering if it might be location specific...
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тАО06-21-2004 09:52 PM
тАО06-21-2004 09:52 PM
Re: VS80 & Backup Exec 9.1 Build 4691
Is this a preformat feature when using a blank tape? hence the delay before the backup actually starts?
Have you tried doing the same backup after formatting the tapes with BackupExec?
Cheers,
Dave Dewar
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тАО06-24-2004 08:14 PM
тАО06-24-2004 08:14 PM
Re: VS80 & Backup Exec 9.1 Build 4691
Second, hear the tape while backing up: if you hear the tape "start and stopping" it means that the drive do not receive the data fast enough (the VS80 do not have lot of buffer): the dlt drive run "physically" the tape very fast so it require lot of time to start and to stop without destroying the tape.
Fortunately , BEX can configure some parameters on device (select the drive and open properties ,configuration , i used these
block size 64K
Buffer size 256K
buffer count 10
watermark 0
and this worked for my 15 servers
NB:You will continue to hear some stop/start but much more less
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тАО06-29-2004 04:47 AM
тАО06-29-2004 04:47 AM
Re: VS80 & Backup Exec 9.1 Build 4691
I've tried your suggestions & none have worked!
Display progress indicators are off (by default). No virus scan enabled in BE (can't find the option in 9.1). Changed the tape drive config / buffer size etc & rebooted. Can't format the tapes - option grayed out. Pre-processing still at 1.5 hrs. SDLT & DAT drives do not experience the same problem in this server!
Paul, it must be location specific - the server is in London!
Thanks
Adrian
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тАО07-07-2004 10:36 PM
тАО07-07-2004 10:36 PM
Re: VS80 & Backup Exec 9.1 Build 4691
Pre-processing problem solved - HP swapped the VS80 drive & now the backup starts after 5 minutes.
Anyone having similar problems ensure the SCSI cable into the drive is in really firm, and if that fails get HP to swap the drive under warranty.
Rgds
Adrian