I agree with the blocksize comment below. Also: doing amrmtape (remove tape) on that label, before relabelling it, can’t hurt. If you’re having a hardware issue, it won’t help. But it does clear out amanda’s recollection of the contents of that tape. Worth a try.
Deb Baddorf Fermilab > On Oct 24, 2018, at 11:04 AM, Jean-Francois Malouin > <[email protected]> wrote: > > * Chris Nighswonger <[email protected]> [20181024 10:25]: >> Any thoughts on what's going on here? I thought running amlabel -f >> forced deletion of any amanda volumes on that tape? > > The '-f' flag forces amlabel to write a label even if something is detected at > the beginnning of the tape, and does nothing else to the tape. > > Are you sure your hardware is healthy? > > Also, a blocksize of 32k (default value) might not give you the best > performance. My experiments over the years suggest to err on much bigger > values, 512k and more for LTO5 and 6 seem reasonable in my local environment. > > ymmv, > jf > >> >> After: >> >> amlabel -f campus campus-NGH864L4 slot 12 >> Reading label... >> Found Amanda volume 'campus-NGH864L4'. >> Writing label 'campus-NGH864L4'... >> Checking label... >> Success! >> >> taper debug log: >> >> Wed Oct 24 09:47:35 2018: thd-0x20a1c00: taper: Slot 12 with label >> campus-NGH864L4 is usable >> Wed Oct 24 09:47:35 2018: thd-0x20a1c00: taper: >> Amanda::Taper::Scan::traditional result: 'campus-NGH864L4' on >> tape:/dev/nst0 slot 12, mode 2 >> Wed Oct 24 09:47:35 2018: thd-0x20a1c00: taper: Amanda::Taper::Scribe >> preparing to write, part size 0, using LEOM (falling back to holding >> disk as cache) (splitter) (LEOM supported) >> Wed Oct 24 09:47:35 2018: thd-0x20a1c00: taper: Starting >> <Xfer@0x23a16e0 (<XferSourceHolding@0x23d7000> -> >> <XferDestTaperSplitter@0x23d6000>)> >> Wed Oct 24 09:47:35 2018: thd-0x20a1c00: taper: Final linkage: >> <XferSourceHolding@0x23d7000> -(PULL_BUFFER)-> >> <XferElementGlue@0x23c21e0> -(PUSH_BUFFER)-> >> <XferDestTaperSplitter@0x23d6000> >> Wed Oct 24 09:47:41 2018: thd-0x20a1c00: taper: Building type >> TAPESTART header of 32768-32768 bytes with name='campus-NGH864L4' >> disk='' dumplevel=0 and blocksize=32768 >> >> . . . >> >> Wed Oct 24 09:47:49 2018: thd-0x23ab050: taper: Building type >> SPLIT_FILE header of 32768-32768 bytes with name='host.dn.tld' >> disk='/' dumplevel=2 and blocksize=32768 >> Wed Oct 24 09:47:49 2018: thd-0x23ab050: taper: warning: Got EIO on >> /dev/nst0, assuming end of tape >> Wed Oct 24 09:47:49 2018: thd-0x23ab050: taper: Device tape:/dev/nst0 >> error = 'No space left on device' >> Wed Oct 24 09:47:49 2018: thd-0x23ab050: taper: Device tape:/dev/nst0 >> setting status flag(s): DEVICE_STATUS_VOLUME_ERROR >> >> Kind regards, >> Chris
