Re: SCSI TAPE Backup Problems.

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"Ian Marsh" <ianmarsh@xxxxxxxxxxxx> wrote in message
news:5b5aa$48dabcda$4c0a90ae$10322@xxxxxxxxxxxxxxx
Thanks for both of the suggestions. I had assumed the 1GB was enough as
there are only 4 light users on the network, buy sure enough the system is
running on a 1.4 GB page file. I will also check into the adapter
firmware. I update the drive but not the adaptec...

I will post my results in a day or two.


"Leythos" <void@xxxxxxxxxxx> wrote in message
news:1222258453_59082@xxxxxxxxxxxxxxxxxx
In article <ec1db$48d9bcf2$4c0a90ae$31323@xxxxxxxxxxxx>,
ianmarsh@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx says...
2003 SBS Server Standard.

Athlon 64 5400 CPU
1 GB DDR2 800 Mhz RAM
Promise SATA Raid Controller w 2 500GB disks.
Adaptec 39160 32/64bit SCSI card.
Dell (Quantum) Powervault 100T external tape drive.

Drive works perfectly on 2 Windows 2000 Server machines (5 GB backups,
resoted and compared), yet connected to the 2003 SBS server I get cannot
write to Tape errors, tape does not actually save data errors and midway
through a backup, an error kicks up showing the source disk ( hard
drive )
halted a file access based on failed security , even though the security
has
been granted to the files for both backup operators and the
administrator
account that is running the backup.

All drivers have been updated, service pack 2 has been reapplied and
small
backups sometimes work fine once the tape is accepted into the free
pool.

With a 1GB SYS install you're hitting the page/swap file almost all the
time, so your RAID is doing overtime and I suspect that you're having
I/O Problems as the cause.

If the drive AND tapes work on another machine then it's your very under
powered SBS server that is the problem.

Borrow 3GB some place and install it as a test.

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Thanks for the suggestions. I suspect it was a WIndows loading the wrong
driver problem . I wanted to dobule check the RAID drivers.It was showing as
Promise model 779. There are no model 779 drivers or adapters showing on the
promise website. Opening up the case I find it is a TX2300. Downloading the
proper drivers (after bumping the RAM) and after a couple of tries get them
to hold, everything now works fine.

Thanks again.


.

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