Jump to content

Help Please: DiskSpeed HBA card recommendation

Recommended Posts

Just ran benchmark on my controller, using DiskSpeed. I have 15 disk connected to a SAS2008 HBA card and a SAS expander card. When the benchmark runs all disks at the same time I'm getting an avg speed of 23MB/sec. Currently rebuilding a drive and it's running at 28.1MB/Sec. I paused the rebuild and then ran the Benchmark on DiskSpeed. All drives are mechanical HD's, I have the Cache connected to MB directly. 


This is the message it gives me, "Slight variations between runs and minor improvements in all drives being read at once vs a single drive is normal. The average difference between the single drive and all drive read speeds is 85.4%
The maximum data output of all the drives exceeds the capacity of the drive controller." Is this Normal to see the message? Or have I outgrown my SAS2008 HBA card, I believe it's an IBM 1015 flashed and running in IT mode. 


The drive 8TB currently rebuilding at 28 MB/s. Says it will take 2 days 19 hours to finish and it's already been running for 18 hours almost 19 hours. 



Link to comment

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.
Note: Your post will require moderator approval before it will be visible.

Reply to this topic...

×   Pasted as rich text.   Restore formatting

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.

  • Create New...