在 2017/7/13 16:08, John Garry 写道: > On 13/07/2017 02:37, wangyijing wrote: >>> > So much nicer. BTW, /dev/sdb is a SATA disk, the rest are SAS. >> Oh, I take a mistake ? The result you tested the hotplug which applied this >> patchset is fine ? >> >> Thanks! >> Yijing. > > Well basic hotplug is fine, as below. I did not do any robust testing. >
OK， thanks，I tested with and without fio running, the results are both fine. Thanks! Yijing. > root@(none)$ echo 0 > ./phy-0:7/sas_phy/phy-0:7/enable > root@(none)$ [ 180.147676] hisi_sas_v2_hw HISI0162:01: found dev[8:1] is gone > [ 180.216558] hisi_sas_v2_hw HISI0162:01: found dev[7:1] is gone > [ 180.280548] hisi_sas_v2_hw HISI0162:01: found dev[6:1] is gone > [ 180.352556] hisi_sas_v2_hw HISI0162:01: found dev[5:1] is gone > [ 180.432495] hisi_sas_v2_hw HISI0162:01: found dev[4:1] is gone > [ 180.508492] hisi_sas_v2_hw HISI0162:01: found dev[3:1] is gone > [ 180.527577] sd 0:0:1:0: [sdb] Synchronizing SCSI cache > [ 180.532728] sd 0:0:1:0: [sdb] Synchronize Cache(10) failed: Result: > hostbyte=0x04 driverbyte=0x00 > [ 180.541591] sd 0:0:1:0: [sdb] Stopping disk > [ 180.545767] sd 0:0:1:0: [sdb] Start/Stop Unit failed: Result: > hostbyte=0x04 driverbyte=0x00 > [ 180.612491] hisi_sas_v2_hw HISI0162:01: found dev[2:5] is gone > [ 180.696452] hisi_sas_v2_hw HISI0162:01: found dev[1:1] is gone > [ 180.703221] hisi_sas_v2_hw HISI0162:01: found dev[0:2] is gone > > root@(none)$ echo 1 > ./phy-0:7/sas_phy/phy-0:7/enable > root@(none)$ [ 185.937831] hisi_sas_v2_hw HISI0162:01: phyup: phy7 > link_rate=11 > [ 185.996575] scsi 0:0:8:0: Direct-Access SanDisk LT0200MO P404 PQ: 0 > ANSI: 6 > [ 187.059642] ata2.00: ATA-8: HGST HUS724040ALA640, MFAOA8B0, max UDMA/133 > [ 187.066341] ata2.00: 7814037168 sectors, multi 0: LBA48 NCQ (depth 31/32) > [ 187.073278] ata2.00: ATA Identify Device Log not supported > [ 187.078755] ata2.00: Security Log not supported > [ 187.085239] ata2.00: ATA Identify Device Log not supported > [ 187.090715] ata2.00: Security Log not supported > [ 187.095236] ata2.00: configured for UDMA/133 > [ 187.136917] scsi 0:0:9:0: Direct-Access ATA HGST HUS724040AL A8B0 > PQ: 0 ANSI: 5 > [ 187.187612] sd 0:0:9:0: [sdb] 7814037168 512-byte logical blocks: (4.00 > TB/3.64 TiB) > [ 187.195365] sd 0:0:9:0: [sdb] Write Protect is off > [ 187.200161] sd 0:0:9:0: [sdb] Write cache: enabled, read cache: enabled, > doesn't support DPO or FUA > [ 187.223844] sd 0:0:9:0: [sdb] Attached SCSI disk > [ 187.225498] scsi 0:0:10:0: Direct-Access SanDisk LT0200MO P404 PQ: 0 > ANSI: 6 > [ 187.243864] sd 0:0:8:0: [sda] 390721968 512-byte logical blocks: (200 > GB/186 GiB) > [ 187.285879] sd 0:0:8:0: [sda] Write Protect is off > [ 187.367898] sd 0:0:8:0: [sda] Write cache: disabled, read cache: disabled, > supports DPO and FUA > [ 187.524043] scsi 0:0:11:0: Direct-Access SanDisk LT0200MO P404 PQ: 0 > ANSI: 6 > [ 187.701505] sd 0:0:10:0: [sdc] 390721968 512-byte logical blocks: (200 > GB/186 GiB) > [ 187.743547] sd 0:0:10:0: [sdc] Write Protect is off > [ 187.822546] scsi 0:0:12:0: Direct-Access SanDisk LT0200MO P404 PQ: 0 > ANSI: 6 > [ 187.825531] sd 0:0:10:0: [sdc] Write cache: disabled, read cache: > disabled, supports DPO and FUA > [ 188.000167] sd 0:0:11:0: [sdd] 390721968 512-byte logical blocks: (200 > GB/186 GiB) > [ 188.042205] sd 0:0:11:0: [sdd] Write Protect is off > [ 188.121527] scsi 0:0:13:0: Direct-Access SanDisk LT0200MO P404 PQ: 0 > ANSI: 6 > [ 188.124274] sd 0:0:11:0: [sdd] Write cache: disabled, read cache: > disabled, supports DPO and FUA > [ 188.298942] sd 0:0:12:0: [sde] 390721968 512-byte logical blocks: (200 > GB/186 GiB) > [ 188.340960] sd 0:0:12:0: [sde] Write Protect is off > [ 188.420023] scsi 0:0:14:0: Direct-Access SanDisk LT0200MO P404 PQ: 0 > ANSI: 6 > [ 188.422969] sd 0:0:12:0: [sde] Write cache: disabled, read cache: > disabled, supports DPO and FUA > [ 188.597501] sd 0:0:13:0: [sdf] 390721968 512-byte logical blocks: (200 > GB/186 GiB) > [ 188.605069] sd 0:0:8:0: [sda] Attached SCSI disk > [ 188.639520] sd 0:0:13:0: [sdf] Write Protect is off > [ 188.682445] scsi 0:0:15:0: Enclosure 12G SAS Expander RevB PQ: 0 > ANSI: 6 > [ 188.721540] sd 0:0:13:0: [sdf] Write cache: disabled, read cache: > disabled, supports DPO and FUA > [ 188.896399] sd 0:0:14:0: [sdg] 390721968 512-byte logical blocks: (200 > GB/186 GiB) > [ 188.938445] sd 0:0:14:0: [sdg] Write Protect is off > [ 189.020444] sd 0:0:14:0: [sdg] Write cache: disabled, read cache: > disabled, supports DPO and FUA > [ 189.060608] sd 0:0:10:0: [sdc] Attached SCSI disk > [ 189.359073] sd 0:0:11:0: [sdd] Attached SCSI disk > [ 189.657643] sd 0:0:12:0: [sde] Attached SCSI disk > [ 189.956585] sd 0:0:13:0: [sdf] Attached SCSI disk > [ 190.255148] sd 0:0:14:0: [sdg] Attached SCSI disk > > root@(none)$ echo 0 > ./phy-0:7/sas_phy/phy-0:7/enable > root@(none)$ [ 192.895718] hisi_sas_v2_hw HISI0162:01: found dev[8:1] is gone > [ 192.964671] hisi_sas_v2_hw HISI0162:01: found dev[7:1] is gone > [ 193.032744] hisi_sas_v2_hw HISI0162:01: found dev[6:1] is gone > [ 193.096755] hisi_sas_v2_hw HISI0162:01: found dev[5:1] is gone > [ 193.157072] hisi_sas_v2_hw HISI0162:01: found dev[4:1] is gone > [ 193.221062] hisi_sas_v2_hw HISI0162:01: found dev[3:1] is gone > [ 193.247684] sd 0:0:9:0: [sdb] Synchronizing SCSI cache > [ 193.252834] sd 0:0:9:0: [sdb] Synchronize Cache(10) failed: Result: > hostbyte=0x04 driverbyte=0x00 > [ 193.261701] sd 0:0:9:0: [sdb] Stopping disk > [ 193.265879] sd 0:0:9:0: [sdb] Start/Stop Unit failed: Result: > hostbyte=0x04 driverbyte=0x00 > [ 193.325165] hisi_sas_v2_hw HISI0162:01: found dev[2:5] is gone > [ 193.381094] hisi_sas_v2_hw HISI0162:01: found dev[1:1] is gone > [ 193.388719] hisi_sas_v2_hw HISI0162:01: found dev[0:2] is gone > > root@(none)$ echo 1 > ./phy-0:7/sas_phy/phy-0:7/enable > root@(none)$ [ 196.221879] hisi_sas_v2_hw HISI0162:01: phyup: phy7 > link_rate=11 > [ 196.281178] scsi 0:0:16:0: Direct-Access SanDisk LT0200MO P404 PQ: 0 > ANSI: 6 > [ 196.973390] ata3.00: ATA-8: HGST HUS724040ALA640, MFAOA8B0, max UDMA/133 > [ 196.980088] ata3.00: 7814037168 sectors, multi 0: LBA48 NCQ (depth 31/32) > [ 196.987022] ata3.00: ATA Identify Device Log not supported > [ 196.992499] ata3.00: Security Log not supported > [ 196.998953] ata3.00: ATA Identify Device Log not supported > [ 197.004434] ata3.00: Security Log not supported > [ 197.008954] ata3.00: configured for UDMA/133 > [ 197.050428] scsi 0:0:17:0: Direct-Access ATA HGST HUS724040AL > A8B0 PQ: 0 ANSI: 5 > [ 197.091593] sd 0:0:17:0: [sdb] 7814037168 512-byte logical blocks: (4.00 > TB/3.64 TiB) > [ 197.099441] sd 0:0:17:0: [sdb] Write Protect is off > [ 197.104326] sd 0:0:17:0: [sdb] Write cache: enabled, read cache: enabled, > doesn't support DPO or FUA > [ 197.122982] sd 0:0:17:0: [sdb] Attached SCSI disk > [ 197.129367] scsi 0:0:18:0: Direct-Access SanDisk LT0200MO P404 PQ: 0 > ANSI: 6 > [ 197.157605] sd 0:0:16:0: [sda] 390721968 512-byte logical blocks: (200 > GB/186 GiB) > [ 197.199622] sd 0:0:16:0: [sda] Write Protect is off > [ 197.281604] sd 0:0:16:0: [sda] Write cache: disabled, read cache: > disabled, supports DPO and FUA > [ 197.427727] scsi 0:0:19:0: Direct-Access SanDisk LT0200MO P404 PQ: 0 > ANSI: 6 > [ 197.605362] sd 0:0:18:0: [sdc] 390721968 512-byte logical blocks: (200 > GB/186 GiB) > [ 197.647409] sd 0:0:18:0: [sdc] Write Protect is off > [ 197.726403] scsi 0:0:20:0: Direct-Access SanDisk LT0200MO P404 PQ: 0 > ANSI: 6 > [ 197.729389] sd 0:0:18:0: [sdc] Write cache: disabled, read cache: > disabled, supports DPO and FUA > [ 197.903664] sd 0:0:19:0: [sdd] 390721968 512-byte logical blocks: (200 > GB/186 GiB) > [ 197.945699] sd 0:0:19:0: [sdd] Write Protect is off > [ 198.024789] scsi 0:0:21:0: Direct-Access SanDisk LT0200MO P404 PQ: 0 > ANSI: 6 > [ 198.027685] sd 0:0:19:0: [sdd] Write cache: disabled, read cache: > disabled, supports DPO and FUA > [ 198.202410] sd 0:0:20:0: [sde] 390721968 512-byte logical blocks: (200 > GB/186 GiB) > [ 198.244458] sd 0:0:20:0: [sde] Write Protect is off > [ 198.323137] scsi 0:0:22:0: Direct-Access SanDisk LT0200MO P404 PQ: 0 > ANSI: 6 > [ 198.326491] sd 0:0:20:0: [sde] Write cache: disabled, read cache: > disabled, supports DPO and FUA > [ 198.500754] sd 0:0:21:0: [sdf] 390721968 512-byte logical blocks: (200 > GB/186 GiB) > [ 198.516373] sd 0:0:16:0: [sda] Attached SCSI disk > [ 198.542773] sd 0:0:21:0: [sdf] Write Protect is off > [ 198.585184] scsi 0:0:23:0: Enclosure 12G SAS Expander RevB PQ: 0 > ANSI: 6 > [ 198.624911] sd 0:0:21:0: [sdf] Write cache: disabled, read cache: > disabled, supports DPO and FUA > [ 198.799446] sd 0:0:22:0: [sdg] 390721968 512-byte logical blocks: (200 > GB/186 GiB) > [ 198.841484] sd 0:0:22:0: [sdg] Write Protect is off > [ 198.923508] sd 0:0:22:0: [sdg] Write cache: disabled, read cache: > disabled, supports DPO and FUA > [ 198.964420] sd 0:0:18:0: [sdc] Attached SCSI disk > [ 199.262903] sd 0:0:19:0: [sdd] Attached SCSI disk > [ 199.561175] sd 0:0:20:0: [sde] Attached SCSI disk > [ 199.859533] sd 0:0:21:0: [sdf] Attached SCSI disk > > root@(none)$ [ 200.158121] sd 0:0:22:0: [sdg] Attached SCSI disk > > root@(none)$ > > >> >> >>> > >>> > John > > > > . >
