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MSL2024 with 2 x Ultr 920 Drives

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Jose L Fernandez
Occasional Contributor

MSL2024 with 2 x Ultr 920 Drives

We have a MSL2024 with 2 x Ultr 920 drives connected to a Proliant DL 380 via U320e SCSI Adapter.

Now, each Ultr 920 drive is connected to a U320e SCSI channel. With this wiring I see media library and both drives from Backup Exec (fine) but when I run two identical backup jobs, both start at same time (prefect) using a drive each one (great) but... one of them finish in 5 minutes (wonderful) and other takes 7 hours, yes 7 hours (keep in mind that both backup jobs are the same).

My guess is that SCSI wiring is not best one.

Question: Should I connect only one drive to server and connected the second drive to first one?
3 REPLIES
Avinash Agarkar
Valued Contributor

Re: MSL2024 with 2 x Ultr 920 Drives

Hi,

Check weather both the drives having same firmware.

check weather both the drives are connected
with the same scsi cable check the part no.

Check both the scsi card having same drivers and firmware.

Still if the response same check it on another server.

Thanks,
Avinash
Great Power Comes With Great Responsibility
Jose L Fernandez
Occasional Contributor

Re: MSL2024 with 2 x Ultr 920 Drives

Thanks. What about SCSI wiring? One drive to each U320e channel or both drives to one channel?
Avinash Agarkar
Valued Contributor
Solution

Re: MSL2024 with 2 x Ultr 920 Drives



hi,

don't use one channel for both drive.

use different channel for both the drives.

because it will effect on backup performance.

Thanks,
Avinash

Great Power Comes With Great Responsibility