Tuesday, June 23, 2020

Test if a mounted drive works with timeout

timeout -k 10s -s SIGKILL 10 touch /mnt/disk1/foo

> this worked well with a stale NFS mount, yet need to test if works also with "hung" SATA/USB drive etc.
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Find out to which HBA disks are connected to


[root@node-2d current]# udevadm info --query=path --name /dev/sdd
/devices/pci0000:00/0000:00:03.2/0000:10:00.0/host10/port-10:0/end_device-10:0/target10:0:0/10:0:0:0/block/sdd

[root@node-2d current]# lspci -v -s 10:00.0
10:00.0 Serial Attached SCSI controller: Broadcom / LSI SAS3008 PCI-Express Fusion-MPT SAS-3 (rev 02)
        Subsystem: Broadcom / LSI SAS9300-8i
        Flags: bus master, fast devsel, latency 0, IRQ 152
        I/O ports at d000 [size=256]
        Memory at f6e40000 (64-bit, non-prefetchable) [size=64K]
        Memory at f6e00000 (64-bit, non-prefetchable) [size=256K]
        Expansion ROM at f6d00000 [disabled] [size=1M]
        Capabilities: [50] Power Management version 3
        Capabilities: [68] Express Endpoint, MSI 00
        Capabilities: [a8] MSI: Enable- Count=1/1 Maskable+ 64bit+
        Capabilities: [c0] MSI-X: Enable+ Count=96 Masked-
        Capabilities: [100] Advanced Error Reporting
        Capabilities: [1e0] Secondary PCI Express
        Capabilities: [1c0] Power Budgeting <?>
        Capabilities: [190] Dynamic Power Allocation <?>
        Capabilities: [148] Alternative Routing-ID Interpretation (ARI)
        Kernel driver in use: mpt3sas
        Kernel modules: mpt3sas


[root@node-2d current]# udevadm info --query=path --name /dev/sdc
/devices/pci0000:00/0000:00:01.2/0000:02:00.0/0000:03:0a.0/0000:0e:00.0/ata8/host7/target7:0:0/7:0:0:0/block/sdc


[root@node-2d current]# lspci -v -s 02:00.0
02:00.0 PCI bridge: Advanced Micro Devices, Inc. [AMD] Matisse Switch Upstream (prog-if 00 [Normal decode])
        Flags: bus master, fast devsel, latency 0, IRQ 24
        Bus: primary=02, secondary=03, subordinate=0e, sec-latency=0
        I/O behind bridge: 0000f000-0000ffff [size=4K]
        Memory behind bridge: f6200000-f69fffff [size=8M]
        Prefetchable memory behind bridge: 00000000f2400000-00000000f2cfffff [size=9M]
        Capabilities: [50] Power Management version 3
        Capabilities: [58] Express Upstream Port, MSI 00
        Capabilities: [a0] MSI: Enable- Count=1/1 Maskable- 64bit+
        Capabilities: [100] Vendor Specific Information: ID=0001 Rev=1 Len=010 <?>
        Capabilities: [270] Secondary PCI Express
        Capabilities: [370] L1 PM Substates
        Capabilities: [400] Data Link Feature <?>
        Capabilities: [410] Physical Layer 16.0 GT/s <?>
        Capabilities: [440] Lane Margining at the Receiver <?>
        Kernel driver in use: pcieport


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