由于已将连接到 LSI SAS 2008 控制器的驱动器设置为“开机待机”，因此不再检测到这些驱动器。待机开机也称为 PUIS、POIS 或“ATA6 待机模式开机”。
在 Super Micro X8SI6-F BIOS 中，“Load onboard SAS Option Rom”设置为“Disabled”。
使用以下命令禁用在引导期间加载内核模块 mpt2sas： echo 'blacklist mpt2sas' >> /etc/modprobe.d/mpt2sas.conf; depmod; update-initramfs -u -k $(uname -r)
modprobe mpt2sas 在 /etc/rc.local 中完成
驱动器上的 PUIS 是使用“ /sbin/hdparm -s1 --yes-i-know-what-i-am-doing /dev/sdX”设置的
# tail /var/log/messages
Dec 19 21:07:21 debian kernel: [ 14.503509] mpt2sas0: Scatter Gather Elements per IO(128)
Dec 19 21:07:22 debian kernel: [ 14.735785] mpt2sas0: LSISAS2008: FWVersion(14.00.01.00), ChipRevision(0x03), BiosVersion(07.27.00.00)
Dec 19 21:07:22 debian kernel: [ 14.735878] mpt2sas0: Protocol=(Initiator), Capabilities=(Raid,TLR,EEDP,Snapshot Buffer,Diag Trace Buffer,Task Set Full,NCQ)
Dec 19 21:07:22 debian kernel: [ 14.736748] mpt2sas0: sending port enable !!
Dec 19 21:07:22 debian kernel: [ 15.294663] e1000e: eth0 NIC Link is Up 100 Mbps Full Duplex, Flow Control: None
Dec 19 21:07:22 debian kernel: [ 15.294759] e1000e 0000:03:00.0: eth0: 10/100 speed: disabling TSO
Dec 19 21:07:22 debian kernel: [ 15.296146] ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
Dec 19 21:07:23 debian kernel: [ 16.257786] mpt2sas0: host_add: handle(0x0001), sas_addr(0x5003048007abbc00), phys(8)
Dec 19 21:12:22 debian kernel: [ 314.234004] mpt2sas0: port enable: FAILED with timeout (timeout=300s)
Dec 19 21:12:54 debian kernel: [ 346.439736] mpt2sas0: expander_add: handle(0x0009), parent(0x0001), sas_addr(0x50014380182cf0e6), phys(37)
# tail -n40 /var/log/syslog
Dec 19 21:41:11 debian kernel: [ 240.376096] INFO: task modprobe:1341 blocked for more than 120 seconds.
Dec 19 21:41:11 debian kernel: [ 240.376171] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Dec 19 21:41:11 debian kernel: [ 240.376263] modprobe D 0000000000000000 0 1341 1287 0x00000000
Dec 19 21:41:11 debian kernel: [ 240.376414] ffff88023f06b880 0000000000000082 0000000000000000 000000000000bfc5
Dec 19 21:41:11 debian kernel: [ 240.376656] 0000000000000096 ffffffff8104e54b 000000000000f9e0 ffff88023d681fd8
Dec 19 21:41:11 debian kernel: [ 240.376895] 0000000000015780 0000000000015780 ffff88023bc80000 ffff88023bc802f8
Dec 19 21:41:11 debian kernel: [ 240.377134] Call Trace:
Dec 19 21:41:11 debian kernel: [ 240.377204] [<ffffffff8104e54b>] ? release_console_sem+0x17e/0x1af
Dec 19 21:41:11 debian kernel: [ 240.377278] [<ffffffff8105aeba>] ? __mod_timer+0x141/0x153
Dec 19 21:41:11 debian kernel: [ 240.377350] [<ffffffff812fbec4>] ? schedule_timeout+0xa5/0xdd
Dec 19 21:41:11 debian kernel: [ 240.377422] [<ffffffff8105aa34>] ? process_timeout+0x0/0x5
Dec 19 21:41:11 debian kernel: [ 240.377492] [<ffffffff812fbd04>] ? wait_for_common+0xde/0x15b
Dec 19 21:41:11 debian kernel: [ 240.377566] [<ffffffff8104a461>] ? default_wake_function+0x0/0x9
Dec 19 21:41:11 debian kernel: [ 240.377647] [<ffffffffa021d6e1>] ? _base_make_ioc_operational+0x929/0xa6f [mpt2sas]
Dec 19 21:41:11 debian kernel: [ 240.377743] [<ffffffffa021fa85>] ? mpt2sas_base_attach+0xb73/0xc61 [mpt2sas]
Dec 19 21:41:11 debian kernel: [ 240.377817] [<ffffffff810412ee>] ? enqueue_task_fair+0x3e/0x82
Dec 19 21:41:11 debian kernel: [ 240.377889] [<ffffffff8103a311>] ? enqueue_task+0x5f/0x68
Dec 19 21:41:11 debian kernel: [ 240.377956] [<ffffffff8103a403>] ? activate_task+0x22/0x28
Dec 19 21:41:11 debian kernel: [ 240.378037] [<ffffffffa0222e21>] ? _scsih_probe+0x32c/0x501 [mpt2sas]
Dec 19 21:41:11 debian kernel: [ 240.378115] [<ffffffff811a2d46>] ? local_pci_probe+0x12/0x16
Dec 19 21:41:11 debian kernel: [ 240.378188] [<ffffffff811a3996>] ? pci_device_probe+0xc0/0xe9
Dec 19 21:41:11 debian kernel: [ 240.378263] [<ffffffff81221520>] ? driver_probe_device+0xa3/0x14b
Dec 19 21:41:11 debian kernel: [ 240.378333] [<ffffffff81221617>] ? __driver_attach+0x4f/0x6f
Dec 19 21:41:11 debian kernel: [ 240.378404] [<ffffffff812215c8>] ? __driver_attach+0x0/0x6f
Dec 19 21:41:11 debian kernel: [ 240.378477] [<ffffffff81220def>] ? bus_for_each_dev+0x43/0x74
Dec 19 21:41:11 debian kernel: [ 240.378549] [<ffffffff812207af>] ? bus_add_driver+0xaf/0x1f8
Dec 19 21:41:11 debian kernel: [ 240.378621] [<ffffffff812218cf>] ? driver_register+0xa7/0x111
Dec 19 21:41:11 debian kernel: [ 240.378698] [<ffffffffa015f000>] ? _scsih_init+0x0/0x112 [mpt2sas]
Dec 19 21:41:11 debian kernel: [ 240.378772] [<ffffffff811a3bdc>] ? __pci_register_driver+0x50/0xb8
Dec 19 21:41:11 debian kernel: [ 240.378849] [<ffffffffa015f000>] ? _scsih_init+0x0/0x112 [mpt2sas]
Dec 19 21:41:11 debian kernel: [ 240.378928] [<ffffffffa015f0fc>] ? _scsih_init+0xfc/0x112 [mpt2sas]
Dec 19 21:41:11 debian kernel: [ 240.379002] [<ffffffff8100a065>] ? do_one_initcall+0x64/0x174
Dec 19 21:41:11 debian kernel: [ 240.379072] [<ffffffff8107ab54>] ? sys_init_module+0xc5/0x21a
Dec 19 21:41:11 debian kernel: [ 240.379144] [<ffffffff81010b42>] ? system_call_fastpath+0x16/0x1b
Dec 19 21:42:18 debian kernel: [ 307.313037] mpt2sas0: _base_send_port_enable: timeout
Dec 19 21:42:18 debian kernel: [ 307.313106] mpt2sas0: port enable: FAILED
Dec 19 21:42:18 debian kernel: [ 307.313171] mpt2sas0: sending diag reset !!
Dec 19 21:42:19 debian kernel: [ 308.430890] mpt2sas0: diag reset: SUCCESS
Dec 19 21:42:19 debian kernel: [ 308.431001] mpt2sas 0000:01:00.0: PCI INT A disabled
Dec 19 21:42:19 debian kernel: [ 308.431102] mpt2sas0: failure at /build/buildd-linux-2.6_2.6.32-46-amd64-_ApuPc/linux-2.6-2.6.32/debian/build/source_amd64_none/drivers/scsi/mpt2sas/mpt2sas_scsih.c:6021/_scsih_probe()!
使用 Debian Linux 内核测试：
在启用 SAS BIOS 的情况下进行测试 = 无变化。
超时后，bpo.3 和 bpo4。冻结。甚至 PgUp/PgDown 键在控制台上也不起作用。
modinfo /lib/modules/2.6.32-5-amd64/kernel/drivers/scsi/mpt2sas/mpt2sas.ko | grep ^version:
version: 02.100.03.00
更新 #1：在 BIOS 和固件升级适配器上使用 LSI 驱动程序版本 15.00.00.00 进行测试：
mpt2sas0: LSISAS2008: FWVersion(15.00.00.00), ChipRevision(0x03), BiosVersion(07.29.00.00)
mpt2sas0: port enable: FAILED with timeout (timeout=300s)
并且系统在使用 mpt2sas 驱动程序版本 15 启动后 3492 秒冻结。通过刷入 IT 固件解决了冻结问题。
更新 #2：一些更详细的 SMP 报告
# smp_rep_phy_err_log /dev/bsg/expander-0\:0 -vvv
Report phy error log request: 40 11 06 02 00 00 00 00 00 00 00 00 00 00 00 00
Report phy error log response:
Expander change count: 303
phy identifier: 0
invalid dword count: 18518
running disparity error count: 18492
loss of dword synchronization count: 2
phy reset problem count: 0
# smp_rep_phy_err_log /dev/bsg/expander-0\:1 -vvv
Report phy error log request: 40 11 06 02 00 00 00 00 00 00 00 00 00 00 00 00
Report phy error log response:
Expander change count: 715
phy identifier: 0
invalid dword count: 36103
running disparity error count: 35004
loss of dword synchronization count: 4
phy reset problem count: 0
# smp_rep_phy_sata --phy=5 /dev/bsg/expander-0\:0 -vvv
Report phy SATA request: 40 12 10 02 00 00 00 00 00 05 00 00 00 00 00 00
Report phy SATA response:
expander change count: 303
phy identifier: 5
STP I_T nexus loss occurred: 0
affiliations supported: 1
affiliation valid: 1
STP SAS address: 0x50014380182cf0c5
register device to host FIS:
34 00 50 01 01 00 00 00 00 00 00 00 01 00 00 00 00 00 00 00
affiliated STP initiator SAS address: 0x5003048007abbc00
STP I_T nexus loss SAS address: 0x0
affiliation context: 0
current affiliation contexts: 1
maximum affiliation contexts: 1
# smp_rep_exp_route_tbl /dev/bsg/expander-0\:0 -vvv
Report expander route table request:
40 22 ff 06 00 00 00 00 00 3e 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
Report expander route table response header:
expander change count: 303
expander route table change count: 1
self configuring: 0
zone configuring: 0
configuring: 0
zone enabled: 0
expander route table descriptor length: 4 dwords
number of expander route table descriptors: 0
first routed SAS address index: 0
last routed SAS address index: 0
starting phy id: 0
更新 #3：在 mpt2sas.ko 中启用详细日志记录，并且使用dev.scsi.logging_level = 0x180000F1in增加了 scsi 日志记录/etc/sysctl.conf。结果 /var/log/messages 输出：
debian kernel: [ 0.927392] setting logging_level(0x00080000)
debian kernel: [ 1.591808] mpt2sas0: sending port enable !!
debian kernel: [ 3.113480] mpt2sas0: host_add: handle(0x0001), sas_addr(0x5003048007abbc00), phys(8)
debian kernel: [ 3.124224] mpt2sas0: expander_add: handle(0x0009), parent(0x0001), sas_addr(0x50014380182cf0e6), phys(37)
debian kernel: [ 3.137436] mpt2sas0: detecting: handle(0x000a), sas_address(0x50014380182cf0c0), phy(0)
debian kernel: [ 3.137520] mpt2sas0: REPORT_LUNS: handle(0x000a), retries(0)
debian kernel: [ 8.127417] mf:
debian kernel: [ 8.127417] 0000000a 00000000 00000000 3a580000 00600000 00000018 00000000 000007f8
debian kernel: [ 8.127842] 00000000 0000000c 00000000 00000000 00000000 00000000 00000000 02000000
debian kernel: [ 8.128261] 000000a0 00000000 0000f807 00000000 00000000 00000000 00000000 00000000
debian kernel: [ 8.128679] d30007f8 3c3a7000 00000002 00000000
debian kernel: [ 8.128980] mpt2sas0: issue target reset: handle(0x000a)
debian kernel: [ 8.352363] mpt2sas0: log_info(0x31111000): originator(PL), code(0x11), sub_code(0x1000)
debian kernel: [ 8.352500] mpt2sas0: target reset completed: handle(0x000a)
debian kernel: [ 8.352563] mpt2sas0: issue retry: handle (0x000a)
debian kernel: [ 11.347175] mpt2sas0: log_info(0x31111000): originator(PL), code(0x11), sub_code(0x1000)
debian kernel: [ 11.347276] mpt2sas0: TEST_UNIT_READY: handle(0x000a), lun(0)
debian kernel: [ 14.591621] mpt2sas0: log_info(0x31111000): originator(PL), code(0x11), sub_code(0x1000)
debian kernel: [ 14.591720] mpt2sas0: SATA Initialization Timeout,sending a retry
debian kernel: [ 14.591785] mpt2sas0: TEST_UNIT_READY: handle(0x000a), lun(0)
debian kernel: [ 17.586480] mpt2sas0: log_info(0x31111000): originator(PL), code(0x11), sub_code(0x1000)
debian kernel: [ 17.586836] mpt2sas0: detecting: handle(0x000b), sas_address(0x50014380182cf0c1), phy(1)
更新 #4：当 PUIS = 禁用时，没有超时和正确的驱动器初始化。
其他适配器的 BIOS，如 HP Smart Array P410/256MB 控制器 (462862-B21) 和 Highpoint Rocket 2720SGL，也无法检测到任何 PUIS/POIS Hitachi 驱动器。Highpoint 控制器 BIOS 表示它正在启动 Group #1，但仍然无法检测到扩展器后面的任何驱动器。
如何使用 LSISA2008 控制器检测 HP SAS 扩展器后面的 POIS/PUIS 模式驱动器？
在我看来，好像您必须在这种状态下发出 SCSI 启动命令。也许启用您的 SCSI-BIOS 就可以做到这一点 - 有时每个 SCSI-id 都有一个用于“启动单元”是/否的选项。
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