[Bug 264245] ciss reporting very low transfer rate

From: <bugzilla-noreply_at_freebsd.org>
Date: Wed, 25 May 2022 21:49:30 UTC 
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=264245

            Bug ID: 264245
           Summary: ciss reporting very low transfer rate
           Product: Base System
           Version: 13.1-RELEASE
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: kern
          Assignee: bugs@FreeBSD.org
          Reporter: jwb@freebsd.org

ciss0: <HP Smart Array P410i> port 0x4000-0x40ff mem
0xfac00000-0xfadfffff,0xfabf0000-0xfabf0fff irq 28 at device 0.0 on pci1
ciss0: PERFORMANT Transport
da0 at ciss0 bus 0 scbus0 target 0 lun 0

da0: <HP RAID 1(1+0) OK> Fixed Direct Access SPC-3 SCSI device
da0: Serial Number 5001438013638F40
da0: 135.168MB/s transfers
da0: Command Queueing enabled
da0: 953837MB (1953459632 512 byte sectors)

File operations are indeed very slow.

Not sure if this is a widespread issue or particular to this old hardware. 
This server is not important to me, but I'm available to help fix this issue.

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