<div dir="ltr"><div><div>replaced ancient 1068E with SAS 2308 chipset and all is well. Thanks! </div>(I rather dislike the ultra long disk names that result from the good old c0t0d0 , but that's life) </div>happily, I didn't even have to rebuild the zpool and the mdb output looks as expected. </div><div class="gmail_extra"> <div class="gmail_quote">On Sun, Aug 23, 2015 at 5:36 PM, Doug Hughes <<a href="mailto:doug@will.to" target="_blank">doug@will.to</a>> wrote: <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">I do suspect that there is a problem with the card and the 2TB/4TB. Still, shouldn't my sd.conf entries result in zdb showing ashift=12 and mdb showing block size 0x1000? (the comma issue, in answer to other person, is ok. This is not the last entry in sd.conf)<div class="HOEnZb"><div class="h5"> On 8/23/2015 6:20 AM, Alexander Lesle wrote: <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"> Hello Doug Hughes and List, I use the same HGST drive and they have all 4 TB capacity in my pools. ,-----[ ]----- | | AVAILABLE DISK SELECTIONS: | 0. c2t0d0 <VMware-Virtualdisk-1.0 cyl 5012 alt 2 hd 224 sec 56> | /pci@0,0/pci15ad,1976@10/sd@0,0 | 1. c2t1d0 <VMware-Virtualdisk-1.0 cyl 5012 alt 2 hd 224 sec 56> | /pci@0,0/pci15ad,1976@10/sd@1,0 | 2. c4t5000CCA23DCCC6BCd0 <ATA-HGST HDS724040AL-A580-3.64TB> | /scsi_vhci/disk@g5000cca23dccc6bc | 3. c4t5000CCA23DCD21A4d0 <ATA-HGST HDS724040AL-A580-3.64TB> | /scsi_vhci/disk@g5000cca23dcd21a4 | 4. c4t5000CCA23DCD25A1d0 <ATA-HGST HDS724040AL-A580-3.64TB> | /scsi_vhci/disk@g5000cca23dcd25a1 | Specify disk (enter its number): | `------------------- When you wrote only one item in sd.conf you must write a ; and not , at last letter. But this HDD you must not list in sd.conf it will present ashift=12. ,-----[ ]----- | | root@aio:/root# zdb -C | pool_aio: | version: 5000 | name: 'pool_aio' | state: 0 | txg: 5222458 | pool_guid: 11088269185580178933 | hostid: 720590413 | hostname: 'aio' | vdev_children: 1 | vdev_tree: | type: 'root' | id: 0 | guid: 11088269185580178933 | children[0]: | type: 'mirror' | id: 0 | guid: 1388041250297859353 | metaslab_array: 33 | metaslab_shift: 35 | ashift: 12 | asize: 4000773570560 | is_log: 0 | create_txg: 4 | children[0]: | type: 'disk' | id: 0 | guid: 18178429901005250887 | path: '/dev/dsk/c4t5000CCA23DCCC6BCd0s0' | devid: 'id1,sd@n5000cca23dccc6bc/a' | phys_path: '/scsi_vhci/disk@g5000cca23dccc6bc:a' | whole_disk: 1 | DTL: 45 | create_txg: 4 | children[1]: | type: 'disk' | id: 1 | guid: 12635800974590752762 | path: '/dev/dsk/c4t5000CCA23DCD21A4d0s0' | devid: 'id1,sd@n5000cca23dcd21a4/a' | phys_path: '/scsi_vhci/disk@g5000cca23dcd21a4:a' | whole_disk: 1 | DTL: 43 | create_txg: 4 | children[2]: | type: 'disk' | id: 2 | guid: 15588560262687738746 | path: '/dev/dsk/c4t5000CCA23DCD25A1d0s0' | devid: 'id1,sd@n5000cca23dcd25a1/a' | phys_path: '/scsi_vhci/disk@g5000cca23dcd25a1:a' | whole_disk: 1 | DTL: 41 | create_txg: 4 | features_for_read: | com.delphix:hole_birth | com.delphix:embedded_data | `------------------- ,-----[ ]----- | | root@aio:/root# zdb | egrep 'ashift| name' | name: 'pool_aio' | ashift: 12 | name: 'rpool' | ashift: 9 | `------------------- I think its a hardware issue. Test this what Michael Talbott wrote. On August, 22 2015, 23:49 <Doug Hughes> wrote in [1]: <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"> I'm following this page: <a href="http://wiki.illumos.org/display/illumos/ZFS+and+Advanced+Format+disks" rel="noreferrer" target="_blank">http://wiki.illumos.org/display/illumos/ZFS+and+Advanced+Format+disks</a> but I just can't get my HGST 4K disks to get the 4TB capacity in the zpool. I've cross referenced and verified multiple times and this should work for sd_config_list= "ATA HGST HDS724040AL", "physical-block-size:4096", </blockquote></blockquote> </div></div></blockquote></div> </div>