🚀 go-pugleaf

> SQ9MTR napisa (a):
>
> > Mam identycznego HP i ma y problem.
> > Dwa dyski 36GB SCSI 320 w RAID 0
> > W dmesg'u jest tak:
> > da0 at ciss0 bus 0 scbus0 target 0 lun 0
> > da0: <COMPAQ RAID 0  VOLUME OK> Fixed Direct Access SCSI-0 device
> > da0: 135.168MB/s transfers
> > da0: Command Queueing enabled
> > Pytanie sk d taka (niska) warto transferu?
>
> Te tak mam; z tym, e dyski w RAID 1. Realne transfery s rz du
> 50MB/s przy odczycie sekwencyjnym oraz 6MB/s przy odczycie losowym
> lub ma ymi blokami.
>
> U mnie jest kontroler HP Smart Array 5i. Albo ten kontroler jest
> kiepski, albo FreeBSD go s abo obs uguje.
>
> > W tej samej maszynie jest Adaptec 29160 i dwa 74GB SCSI 160.
> > Tam pokazuje 160.000MB/s transfers, przy czym nie znaczenia czy to
> > siedzi na PCI64 czy w jakim zwyk ym PC z PCI32.
>
> A mierzy e jakie pr dko ci one daj realnie?
>
Witam,

U mnie wygląda to tak na Dl380  g3 freebsd 8.0 :

Raid 5

[root@]# diskinfo -t /dev/da0s1f
/dev/da0s1f
        512             # sectorsize
        104914059264    # mediasize in bytes (98G)
        204910272       # mediasize in sectors
        0               # stripesize
        1021214720      # stripeoffset
        25111           # Cylinders according to firmware.
        255             # Heads according to firmware.
        32              # Sectors according to firmware.
                        # Disk ident.

Seek times:
        Full stroke:      250 iter in   1.078469 sec =    4.314 msec
        Half stroke:      250 iter in   1.493907 sec =    5.976 msec
        Quarter stroke:   500 iter in   3.211992 sec =    6.424 msec
        Short forward:    400 iter in   1.763298 sec =    4.408 msec
        Short backward:   400 iter in   1.582091 sec =    3.955 msec
        Seq outer:       2048 iter in   0.391394 sec =    0.191 msec
        Seq inner:       2048 iter in   0.404128 sec =    0.197 msec
Transfer rates:
        outside:       102400 kbytes in   1.703714 sec =    60104
kbytes/sec
        middle:        102400 kbytes in   1.766950 sec =    57953
kbytes/sec
        inside:        102400 kbytes in   1.768755 sec =    57894
kbytes/sec

I pojedynczy dysk

[root@]# diskinfo -t /dev/da1s1d
/dev/da1s1d
        512             # sectorsize
        36740612096     # mediasize in bytes (34G)
        71759008        # mediasize in sectors
        0               # stripesize
        16384           # stripeoffset
        8793            # Cylinders according to firmware.
        255             # Heads according to firmware.
        32              # Sectors according to firmware.
                        # Disk ident.

Seek times:
        Full stroke:      250 iter in   3.126933 sec =   12.508 msec
        Half stroke:      250 iter in   2.369086 sec =    9.476 msec
        Quarter stroke:   500 iter in   3.845503 sec =    7.691 msec
        Short forward:    400 iter in   1.355594 sec =    3.389 msec
        Short backward:   400 iter in   1.713511 sec =    4.284 msec
        Seq outer:       2048 iter in   0.362873 sec =    0.177 msec
        Seq inner:       2048 iter in   0.393785 sec =    0.192 msec
Transfer rates:
        outside:       102400 kbytes in   1.482605 sec =    69068
kbytes/sec
        middle:        102400 kbytes in   1.751141 sec =    58476
kbytes/sec
        inside:        102400 kbytes in   2.880530 sec =    35549
kbytes/sec


Myślę ze działa dobrze.