LTO6 performance poor on first write pass?
Udo Kaune <[email protected]>
| Newsgroups | gmane.comp.bacula.user |
|---|---|
| Message-ID | <[email protected]> |
Am 27.01.25 um 17:20 schrieb Philip Pemberton via Bacula-users: > On 27/01/2025 15:41, Udo Kaune wrote: >> >> Please try https://www.ibm.com/search?lang=en&cc=us&facetTabs=fixes&origin=fc&q=ITDT&tabType[0]=support > I've tested the drive with ITDT and it passes health check and reports similar speeds. > On the first pass the System Test achieves around 30MB/sec. On subsequent passes it improves to around 80MB/sec. > I have one tape which achieves 150MB/sec consistently. As the problem does extend beyond several tapes I would assume a head alignment problem. This is hardware stuff (any wrinkles on the drive case?). Your internet site shows you have all the necessary stuff at hand. LTO features servo tracks, the head is aligned automatically if it is allowed to move freely. Interesting read: https://stephane.lesimple.fr/blog/repairing-a-faulty-hp-storageworks-ultrium-460-tape-drive/ Best regards _______________________________________________ Bacula-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/bacula-users
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