Re: CAM timeouts on boot (13.0-p8, Dell R730xd, mrsas controller)

From: George Michaelson <ggm_at_algebras.org>
Date: Fri, 01 Apr 2022 05:29:57 UTC
here's the layout from zpool.cache

gronggrong # zdb -C -U /boot/zfs/zpool.cache
tank:
    version: 5000
    name: 'tank'
    state: 0
    txg: 5094520
    pool_guid: 14778862554646682675
    errata: 0
    hostid: 2826039973
    hostname: 'gronggrong.rand.apnic.net'
    com.delphix:has_per_vdev_zaps
    vdev_children: 2
    vdev_tree:
        type: 'root'
        id: 0
        guid: 14778862554646682675
        create_txg: 4
        children[0]:
            type: 'raidz'
            id: 0
            guid: 11293122002983632600
            nparity: 2
            metaslab_array: 143
            metaslab_shift: 34
            ashift: 9
            asize: 32006257770496
            is_log: 0
            create_txg: 4
            com.delphix:vdev_zap_top: 129
            children[0]:
                type: 'disk'
                id: 0
                guid: 15063060806771237722
                path: '/dev/da0'
                whole_disk: 1
                DTL: 5176
                create_txg: 4
                com.delphix:vdev_zap_leaf: 130
            children[1]:
                type: 'disk'
                id: 1
                guid: 81232926375377317
                path: '/dev/da1'
                whole_disk: 1
                DTL: 5174
                create_txg: 4
                com.delphix:vdev_zap_leaf: 131
            children[2]:
                type: 'disk'
                id: 2
                guid: 3526567864654095177
                path: '/dev/da2'
                whole_disk: 1
                DTL: 5172
                create_txg: 4
                com.delphix:vdev_zap_leaf: 132
            children[3]:
                type: 'disk'
                id: 3
                guid: 14866049062027121554
                path: '/dev/da3'
                whole_disk: 1
                DTL: 5170
                create_txg: 4
                com.delphix:vdev_zap_leaf: 133
            children[4]:
                type: 'disk'
                id: 4
                guid: 17801034862702465167
                path: '/dev/da4'
                whole_disk: 1
                DTL: 5168
                create_txg: 4
                com.delphix:vdev_zap_leaf: 134
            children[5]:
                type: 'disk'
                id: 5
                guid: 8570266471126134507
                path: '/dev/da5'
                whole_disk: 1
                DTL: 5166
                create_txg: 4
                com.delphix:vdev_zap_leaf: 135
            children[6]:
                type: 'disk'
                id: 6
                guid: 4283268610556571067
                path: '/dev/da6'
                whole_disk: 1
                DTL: 5164
                create_txg: 4
                com.delphix:vdev_zap_leaf: 136
            children[7]:
                type: 'disk'
                id: 7
                guid: 11046057733553290357
                path: '/dev/da7'
                whole_disk: 1
                DTL: 5162
                create_txg: 4
                com.delphix:vdev_zap_leaf: 137
        children[1]:
            type: 'mirror'
            id: 1
            guid: 6284899259107634057
            metaslab_array: 142
            metaslab_shift: 31
            ashift: 9
            asize: 322117828608
            is_log: 1
            create_txg: 4
            com.delphix:vdev_zap_top: 138
            children[0]:
                type: 'disk'
                id: 0
                guid: 1520069930110101811
                path: '/dev/nvd0p4'
                whole_disk: 1
                DTL: 5160
                create_txg: 4
                com.delphix:vdev_zap_leaf: 139
            children[1]:
                type: 'disk'
                id: 1
                guid: 3456182520449589714
                path: '/dev/nvd1p4'
                whole_disk: 1
                DTL: 5158
                create_txg: 4
                com.delphix:vdev_zap_leaf: 140
    features_for_read:
        com.delphix:hole_birth
        com.delphix:embedded_data
zroot:
    version: 5000
    name: 'zroot'
    state: 0
    txg: 5532233
    pool_guid: 5403876644894602422
    errata: 0
    hostname: ''
    com.delphix:has_per_vdev_zaps
    vdev_children: 1
    vdev_tree:
        type: 'root'
        id: 0
        guid: 5403876644894602422
        create_txg: 4
        children[0]:
            type: 'mirror'
            id: 0
            guid: 10323937413470310479
            metaslab_array: 256
            metaslab_shift: 31
            ashift: 9
            asize: 322117828608
            is_log: 0
            create_txg: 4
            com.delphix:vdev_zap_top: 129
            children[0]:
                type: 'disk'
                id: 0
                guid: 8379388400823142782
                path: '/dev/nvd0p3'
                whole_disk: 1
                DTL: 7939
                create_txg: 4
                com.delphix:vdev_zap_leaf: 130
            children[1]:
                type: 'disk'
                id: 1
                guid: 2331615525877575076
                path: '/dev/nvd1p3'
                whole_disk: 1
                DTL: 7938
                create_txg: 4
                com.delphix:vdev_zap_leaf: 131
    features_for_read:
        com.delphix:hole_birth
        com.delphix:embedded_data
gronggrong #