Комментарии 3
Вопрос, может ктото внести ясность?
Согласно этой статьи kb.vmware.com/s/article/1003469
esxi работает с блоками до 32767 KB я правильно понимаю что это 32 мебагайта?
Если да, то я не понимаю тогда какой блок при создании LUN выберать? (давайте обстрагируемся от типа данных в данном случае)
я на LUN обычно вижу, 8,16,32,64,128,256,512К
Согласно этой статьи kb.vmware.com/s/article/1003469
esxi работает с блоками до 32767 KB я правильно понимаю что это 32 мебагайта?
Если да, то я не понимаю тогда какой блок при создании LUN выберать? (давайте обстрагируемся от типа данных в данном случае)
я на LUN обычно вижу, 8,16,32,64,128,256,512К
Спасибо за серию статей.
Может быть, кто подскажет, куда смотреть вот в таком случае:
P.S. Речь о домашнем сервере, поэтому никаких СХД и прочих суровых штук.
Может быть, кто подскажет, куда смотреть вот в таком случае:
- Запущена 1 виртуалка.
- В ней клонезиллой копируются данные с раздела одного толстого диска на раздел другого толстого диска.
- В какой-то момент запускается еще 1 виртуалка, при этом скорость копирования на первой падает в несколько раз (со 120 метров в секунду до 30), в логе наблюдаются записи:
dmesg2019-08-05T22:17:02.095Z cpu2:32963)<6>ahci_scsi_abort: cmd 0x28 (0x43b5c1823240), entering... 2019-08-05T22:17:02.095Z cpu2:32963)<7>ata2: ahci_port_reset, entering... 2019-08-05T22:17:02.098Z cpu3:32790)NMP: nmp_ThrottleLogForDevice:3302: Cmd 0x2a (0x43b5c08a9cc0, 52833) to dev "t10.ATA_____HGST_HTE721010A9E630__________________________0123456789ABCD" on path "vmhba33:C0:T0:L0" Failed: H:0xc D:0x0 P:0x0 Possible sens$ 2019-08-05T22:17:02.098Z cpu3:32790)ScsiDeviceIO: 2613: Cmd(0x43b5c08a9cc0) 0x2a, CmdSN 0xb7 from world 52833 to dev "t10.ATA_____HGST_HTE721010A9E630__________________________0123456789ABCD" failed H:0xc D:0x0 P:0x0 Possible sense data: 0x5 0x20 0x0. 2019-08-05T22:17:02.098Z cpu3:32790)ScsiDeviceIO: 2613: Cmd(0x43b5c088adc0) 0x2a, CmdSN 0x6b from world 52833 to dev "t10.ATA_____HGST_HTE721010A9E630__________________________0123456789ABCD" failed H:0xc D:0x0 P:0x0 Possible sense data: 0x5 0x20 0x0. 2019-08-05T22:17:02.098Z cpu3:32790)NMP: nmp_ThrottleLogForDevice:3235: last error status from device t10.ATA_____HGST_HTE721010A9E630__________________________0123456789ABCD repeated 10 times 2019-08-05T22:17:02.098Z cpu3:32790)ScsiDeviceIO: 2613: Cmd(0x43b5c087da80) 0x2a, CmdSN 0xe8 from world 52833 to dev "t10.ATA_____HGST_HTE721010A9E630__________________________0123456789ABCD" failed H:0xc D:0x0 P:0x0 Possible sense data: 0x5 0x20 0x0. 2019-08-05T22:17:02.098Z cpu3:32790)ScsiDeviceIO: 2613: Cmd(0x43b5c08733c0) 0x2a, CmdSN 0x93 from world 52833 to dev "t10.ATA_____HGST_HTE721010A9E630__________________________0123456789ABCD" failed H:0xc D:0x0 P:0x0 Possible sense data: 0x5 0x20 0x0. 2019-08-05T22:17:02.098Z cpu3:32790)ScsiDeviceIO: 2613: Cmd(0x43b5c0882500) 0x2a, CmdSN 0x7b from world 52833 to dev "t10.ATA_____HGST_HTE721010A9E630__________________________0123456789ABCD" failed H:0xc D:0x0 P:0x0 Possible sense data: 0x0 0x0 0x0. 2019-08-05T22:17:02.098Z cpu3:32790)ScsiDeviceIO: 2613: Cmd(0x43b5c08d93c0) 0x2a, CmdSN 0x9c from world 52833 to dev "t10.ATA_____HGST_HTE721010A9E630__________________________0123456789ABCD" failed H:0xc D:0x0 P:0x0 Possible sense data: 0x0 0x0 0x0. 2019-08-05T22:17:02.098Z cpu3:32790)NMP: nmp_ThrottleLogForDevice:3235: last error status from device t10.ATA_____HGST_HTE721010A9E630__________________________0123456789ABCD repeated 20 times 2019-08-05T22:17:02.098Z cpu3:32790)ScsiDeviceIO: 2613: Cmd(0x43b5c08bee40) 0x2a, CmdSN 0xdf from world 52833 to dev "t10.ATA_____HGST_HTE721010A9E630__________________________0123456789ABCD" failed H:0xc D:0x0 P:0x0 Possible sense data: 0x0 0x0 0x0. 2019-08-05T22:17:02.098Z cpu3:32790)ScsiDeviceIO: 2613: Cmd(0x43b5c08c2140) 0x2a, CmdSN 0xba from world 52833 to dev "t10.ATA_____HGST_HTE721010A9E630__________________________0123456789ABCD" failed H:0xc D:0x0 P:0x0 Possible sense data: 0x5 0x20 0x0. 2019-08-05T22:17:02.098Z cpu3:32790)ScsiDeviceIO: 2613: Cmd(0x43b5c08ba640) 0x2a, CmdSN 0x90 from world 52833 to dev "t10.ATA_____HGST_HTE721010A9E630__________________________0123456789ABCD" failed H:0xc D:0x0 P:0x0 Possible sense data: 0x5 0x20 0x0. 2019-08-05T22:17:02.098Z cpu3:32790)ScsiDeviceIO: 2613: Cmd(0x43b5c0870540) 0x2a, CmdSN 0xb2 from world 52833 to dev "t10.ATA_____HGST_HTE721010A9E630__________________________0123456789ABCD" failed H:0xc D:0x0 P:0x0 Possible sense data: 0x5 0x20 0x0. 2019-08-05T22:17:02.098Z cpu3:32790)ScsiDeviceIO: 2613: Cmd(0x43b5c086eb00) 0x2a, CmdSN 0x97 from world 52833 to dev "t10.ATA_____HGST_HTE721010A9E630__________________________0123456789ABCD" failed H:0xc D:0x0 P:0x0 Possible sense data: 0x0 0x0 0x0. 2019-08-05T22:17:02.098Z cpu3:32790)ScsiDeviceIO: 2613: Cmd(0x43b5c0854240) 0x2a, CmdSN 0x82 from world 52833 to dev "t10.ATA_____HGST_HTE721010A9E630__________________________0123456789ABCD" failed H:0xc D:0x0 P:0x0 Possible sense data: 0x0 0x0 0x0. 2019-08-05T22:17:02.098Z cpu3:32790)ScsiDeviceIO: 2613: Cmd(0x43b5c08ce240) 0x2a, CmdSN 0x9e from world 52833 to dev "t10.ATA_____HGST_HTE721010A9E630__________________________0123456789ABCD" failed H:0xc D:0x0 P:0x0 Possible sense data: 0x0 0x0 0x0. 2019-08-05T22:17:02.098Z cpu3:32790)ScsiDeviceIO: 2613: Cmd(0x43b5c0830f80) 0x2a, CmdSN 0x9d from world 52833 to dev "t10.ATA_____HGST_HTE721010A9E630__________________________0123456789ABCD" failed H:0xc D:0x0 P:0x0 Possible sense data: 0x0 0x0 0x0. 2019-08-05T22:17:02.098Z cpu3:32790)NMP: nmp_ThrottleLogForDevice:3235: last error status from device t10.ATA_____HGST_HTE721010A9E630__________________________0123456789ABCD repeated 40 times 2019-08-05T22:17:02.098Z cpu3:32790)ScsiDeviceIO: 2613: Cmd(0x43b5c08baac0) 0x2a, CmdSN 0xaa from world 52833 to dev "t10.ATA_____HGST_HTE721010A9E630__________________________0123456789ABCD" failed H:0xc D:0x0 P:0x0 Possible sense data: 0x0 0x0 0x0. 2019-08-05T22:17:02.098Z cpu3:32790)ScsiDeviceIO: 2613: Cmd(0x43b5c0841300) 0x2a, CmdSN 0x8b from world 52833 to dev "t10.ATA_____HGST_HTE721010A9E630__________________________0123456789ABCD" failed H:0xc D:0x0 P:0x0 Possible sense data: 0x0 0x0 0x0. 2019-08-05T22:17:02.098Z cpu3:32790)ScsiDeviceIO: 2613: Cmd(0x43b5c088b240) 0x2a, CmdSN 0x63 from world 52833 to dev "t10.ATA_____HGST_HTE721010A9E630__________________________0123456789ABCD" failed H:0xc D:0x0 P:0x0 Possible sense data: 0x5 0x20 0x0. 2019-08-05T22:17:02.098Z cpu3:32790)ScsiDeviceIO: 2613: Cmd(0x43b5c08a87c0) 0x2a, CmdSN 0xe5 from world 52833 to dev "t10.ATA_____HGST_HTE721010A9E630__________________________0123456789ABCD" failed H:0xc D:0x0 P:0x0 Possible sense data: 0x0 0x0 0x0. 2019-08-05T22:17:02.098Z cpu3:32790)ScsiDeviceIO: 2613: Cmd(0x43b5c08ace40) 0x2a, CmdSN 0x79 from world 52833 to dev "t10.ATA_____HGST_HTE721010A9E630__________________________0123456789ABCD" failed H:0xc D:0x0 P:0x0 Possible sense data: 0x5 0x24 0x0. 2019-08-05T22:17:02.098Z cpu3:32790)ScsiDeviceIO: 2613: Cmd(0x43b5c0885e00) 0x2a, CmdSN 0x91 from world 52833 to dev "t10.ATA_____HGST_HTE721010A9E630__________________________0123456789ABCD" failed H:0xc D:0x0 P:0x0 Possible sense data: 0x5 0x24 0x0. 2019-08-05T22:17:02.098Z cpu3:32790)ScsiDeviceIO: 2613: Cmd(0x43b5c084aa40) 0x2a, CmdSN 0xc8 from world 52833 to dev "t10.ATA_____HGST_HTE721010A9E630__________________________0123456789ABCD" failed H:0xc D:0x0 P:0x0 Possible sense data: 0x0 0x0 0x0. 2019-08-05T22:17:02.108Z cpu3:32790)NMP: nmp_ThrottleLogForDevice:3235: last error status from device t10.ATA_____HGST_HTE721010A9E630__________________________0123456789ABCD repeated 80 times 2019-08-05T22:17:02.121Z cpu3:32790)NMP: nmp_ThrottleLogForDevice:3235: last error status from device t10.ATA_____HGST_HTE721010A9E630__________________________0123456789ABCD repeated 160 times 2019-08-05T22:17:02.128Z cpu1:32788)ScsiDeviceIO: 2613: Cmd(0x43b5c08b0c40) 0x2a, CmdSN 0xf5 from world 52833 to dev "t10.ATA_____HGST_HTE721010A9E630__________________________0123456789ABCD" failed H:0xc D:0x0 P:0x0 Possible sense data: 0x5 0x24 0x0. 2019-08-05T22:17:02.128Z cpu1:32788)ScsiDeviceIO: 2613: Cmd(0x43b5c0879e80) 0x2a, CmdSN 0xcc from world 52833 to dev "t10.ATA_____HGST_HTE721010A9E630__________________________0123456789ABCD" failed H:0xc D:0x0 P:0x0 Possible sense data: 0x5 0x20 0x0. 2019-08-05T22:17:02.129Z cpu1:32788)ScsiDeviceIO: 2613: Cmd(0x43b5c08b3340) 0x2a, CmdSN 0xda from world 52833 to dev "t10.ATA_____HGST_HTE721010A9E630__________________________0123456789ABCD" failed H:0xc D:0x0 P:0x0 Possible sense data: 0x0 0x0 0x0. 2019-08-05T22:17:02.129Z cpu1:32788)ScsiDeviceIO: 2613: Cmd(0x43b5c08da5c0) 0x2a, CmdSN 0x5c from world 52833 to dev "t10.ATA_____HGST_HTE721010A9E630__________________________0123456789ABCD" failed H:0xc D:0x0 P:0x0 Possible sense data: 0x0 0x0 0x0. 2019-08-05T22:17:02.131Z cpu1:32788)ScsiDeviceIO: 2613: Cmd(0x43b5c08c52c0) 0x2a, CmdSN 0xc6 from world 52833 to dev "t10.ATA_____HGST_HTE721010A9E630__________________________0123456789ABCD" failed H:0xc D:0x0 P:0x0 Possible sense data: 0x0 0x0 0x0. 2019-08-05T22:17:02.131Z cpu1:32788)ScsiDeviceIO: 2613: Cmd(0x43b5c08999c0) 0x2a, CmdSN 0xa0 from world 52833 to dev "t10.ATA_____HGST_HTE721010A9E630__________________________0123456789ABCD" failed H:0xc D:0x0 P:0x0 Possible sense data: 0x0 0x0 0x0. 2019-08-05T22:17:02.156Z cpu3:32790)NMP: nmp_ThrottleLogForDevice:3235: last error status from device t10.ATA_____HGST_HTE721010A9E630__________________________0123456789ABCD repeated 320 times 2019-08-05T22:17:02.201Z cpu1:32788)NMP: nmp_ThrottleLogForDevice:3235: last error status from device t10.ATA_____HGST_HTE721010A9E630__________________________0123456789ABCD repeated 640 times 2019-08-05T22:17:02.283Z cpu3:32790)ScsiDeviceIO: 2613: Cmd(0x43b5c083a7c0) 0x28, CmdSN 0x216057 from world 55162 to dev "t10.ATA_____HGST_HTE721010A9E630__________________________0123456789ABCD" failed H:0xc D:0x0 P:0x0 Possible sense data: 0x0 0x0 0x0. 2019-08-05T22:17:02.314Z cpu1:32788)NMP: nmp_ThrottleLogForDevice:3235: last error status from device t10.ATA_____HGST_HTE721010A9E630__________________________0123456789ABCD repeated 1280 times 2019-08-05T22:17:02.320Z cpu2:32963)<6>ata2: ahci_port_reset: SUCCEEDED 2019-08-05T22:17:02.320Z cpu2:32963)<6>ahci_scsi_abort: cmd 0x28 (0x43b5c1823240), SUCCEEDED
- После выключения второй виртуалки скорость не восстанавливается, в прерываниях esxtop вот такая картина (смущает VMK timer):
esxtop interruptsCOOKIE COUNT/s TIME/int COUNT_0 COUNT_1 COUNT_2 COUNT_3 DEVICES 0x1 0.0 0.0 0.0 0.0 0.0 0.0 VMK dmar 0x2 0.0 0.0 0.0 0.0 0.0 0.0 VMK dmar 0x3 0.0 0.0 0.0 0.0 0.0 0.0 VMK ACPI Interrupt 0x4 0.0 0.0 0.0 0.0 0.0 0.0 VMK hpet 0x5 0.0 0.0 0.0 0.0 0.0 0.0 VMK keyboard 0x6 0.0 0.0 0.0 0.0 0.0 0.0 0x7 0.0 0.0 0.0 0.0 0.0 0.0 0x8 0.0 0.0 0.0 0.0 0.0 0.0 0x9 0.0 0.0 0.0 0.0 0.0 0.0 0xa 0.0 0.0 0.0 0.0 0.0 0.0 0xb 0.0 0.0 0.0 0.0 0.0 0.0 0xc 0.0 0.0 0.0 0.0 0.0 0.0 0xd 0.0 0.0 0.0 0.0 0.0 0.0 0xe 0.0 0.0 0.0 0.0 0.0 0.0 VMK mouse 0xf 0.0 0.0 0.0 0.0 0.0 0.0 0x10 0.0 0.0 0.0 0.0 0.0 0.0 0x11 0.0 0.0 0.0 0.0 0.0 0.0 0x12 186.2 4.0 0.0 0.0 186.2 0.0 VMK ahci 0x13 0.0 0.0 0.0 0.0 0.0 0.0 0x14 0.0 0.0 0.0 0.0 0.0 0.0 VMK vmnic0 0x15 30.0 2.0 22.1 1.6 0.0 6.3 VMK vmnic0-TxRx-0 0x16 0.0 0.0 0.0 0.0 0.0 0.0 VMK vmnic1 0x17 0.0 0.0 0.0 0.0 0.0 0.0 VMK vmnic1-TxRx-0 0x18 0.0 0.0 0.0 0.0 0.0 0.0 VMK xhci_hcd 0x19 0.0 0.0 0.0 0.0 0.0 0.0 VMK mpt2sas0-msix0 0xef 663.6 0.0 154.6 164.9 179.9 164.3 VMK timer 0xf3 41.2 0.0 9.5 9.5 17.6 4.7 VMK hv_ipi 0xf4 1.6 0.0 0.0 0.0 0.0 1.6 VMK timer-ipi 0xf5 20.7 0.0 7.9 1.6 3.2 8.1 VMK monitor 0xf6 29.4 0.0 4.7 5.1 6.3 13.2 VMK resched 0xf7 0.0 0.0 0.0 0.0 0.0 0.0 0xf8 30.0 0.0 15.8 9.5 0.0 4.7 VMK tlb 0xf9 0.0 0.0 0.0 0.0 0.0 0.0 0xfa 0.0 0.0 0.0 0.0 0.0 0.0 VMK perfctr 0xfb 0.0 0.0 0.0 0.0 0.0 0.0 VMK cmci 0xfc 0.0 0.0 0.0 0.0 0.0 0.0 VMK thermal 0xfd 0.0 0.0 0.0 0.0 0.0 0.0 VMK lint1 0xfe 0.0 0.0 0.0 0.0 0.0 0.0 VMK error 0xff 0.0 0.0 0.0 0.0 0.0 0.0 VMK spurious
P.S. Речь о домашнем сервере, поэтому никаких СХД и прочих суровых штук.
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Анализ производительности ВМ в VMware vSphere. Часть 3: Storage