[Ccing cdwr...@other.debian.org] Any ideas?
On Tue, Aug 07, 2012 at 03:49:13PM -0400, Gary Dale wrote: > On 06/08/12 11:51 PM, Gary Dale wrote: > >I've been using BD-RE discs for backups on a Debian/Squeeze server > >for a couple of years now. In the last week or so the backups have > >been failing. I haven't modified my backup script so I thought > >about possible hardware issues. > > > >- I tried changing the BluRay writer but got the same problem. > >- I tried new discs but got the same problem. > >- I tried replacing the PCI-SATA controller that the machine > >needed for the BluRay writer, but still got the same problem. > >- the discs do formate correctly when I try dvd+rw-format > >-force=full /dev/sr0 > > > >Finally, I tried an entirely different machine with a different > >model of BluRay writer and I'm still getting the same problem. > > > >This new machine has a different architecture (AMD64) and is > >running Debian/Wheezy. Why am I getting the same problem? > > > >I tried a new disc again, and this time formatted it through K3B > >instead of using dvd+rw-format directly. It appeared to format > >correctly - and no longer shows as an empty BD-RE disc when I > >insert it - but still wouldn't mount. > > > >All the mount attempts give exactly the same result: > > > > # mount /media/dvd > > mount: block device /dev/sr0 is write-protected, mounting read-only > > mount: wrong fs type, bad option, bad superblock on /dev/sr0, > > missing codepage or helper program, or other error > > In some cases useful info is found in syslog - try > > dmesg | tail or so > > > >The /etc/fstab entry is the same between the two machines: > > /dev/sr0 /media/dvd udf user 0 0 > > > >I'm using Memorex BD-RE 2x discs. I've used an LG, ASUS and > >Pioneer BluRay writer - the first two on the older machine. The > >ASUS and Pioneer are brand new writers. > > > >Any ideas? > > Further to above, I did a file copy using K3B onto one of the BD-RE > discs that won't mount. K3B appeared to recognize that there was a > udf file system on the disc. > > After it finished, it automounted as /media/cdrom0 with fs type > iso9660. However, I could also mount it as /media/dvd. Switching to > root, I was also able to mount it using > mount -t udf /dev/sr0 /media/dvd > Running mount shows that it is mounted as a udf file system. > > However, I can't mount it -rw. It insists that the file system is read-only. > > Also, I booted my computer from a USB key containing system rescue > CD. Again, the mount fails. > > Here's a sequence I just tried: > > root@transponder:/home/garydale# mkudffs /dev/sr0 > Error opening device: Read-only file system > root@transponder:/home/garydale# mount /media/dvd > mount: block device /dev/sr0 is write-protected, mounting read-only > mount: wrong fs type, bad option, bad superblock on /dev/sr0, > missing codepage or helper program, or other error > In some cases useful info is found in syslog - try > dmesg | tail or so > > root@transponder:/home/garydale# mount /media/cdrom0 > mount: block device /dev/sr0 is write-protected, mounting read-only > mount: wrong fs type, bad option, bad superblock on /dev/sr0, > missing codepage or helper program, or other error > In some cases useful info is found in syslog - try > dmesg | tail or so > > > Afterward, I started up k3B and tried tools | format. The format > dialog has a pulldown for the media which shows "Complete Data > BD-RE". It wouldn't do a format - said it didn't need to do one - > unless I do a force, which I decided against. > > I was able to burn a data project, after which the BluRay disc > automounts as /media/cdrom0 again. The mount command (no options) > shows it as: > /dev/sr0 on /media/cdrom0 type iso9660 (ro,nosuid,nodev,noexec,relatime) > > I can also mount it as /media/dvd, where the mount command shows it > mounted as: > /dev/sr0 on /media/dvd type udf (ro,nosuid,nodev,noexec,relatime,utf8) > > Trying to format the disk using dvd+rw-format is now giving me: > root@transponder:/home/garydale# dvd+rw-format -force=full /dev/sr0 > * BD/DVD±RW/-RAM format utility by <ap...@fy.chalmers.se>, version 7.1. > * 24.2GB BD media detected. > * formatting .:-[ FORMAT UNIT failed with SK=5h/INVALID FIELD IN > PARAMETER LIST]: Input/output error > > I get the same if I try to -blank or -format as well. > > And of course, the device shows as 100% full under df, since it > seems to really be an iso9660 formatted disc. > > Here's the dvd+rw-mediainfo: > > root@transponder:/home/garydale# dvd+rw-mediainfo /dev/sr0 > INQUIRY: [PIONEER ][BD-RW BDR-207D][1.10] > GET [CURRENT] CONFIGURATION: > Mounted Media: 43h, BD-RE > Media ID: RITEK/BW1 > Current Write Speed: 2.0x4495=8990KB/s > Write Speed #0: 2.0x4495=8990KB/s > Speed Descriptor#0: 00/11826175 R@2.0x4495=8990KB/s W@2.0x4495=8990KB/s > READ DISC INFORMATION: > Disc status: complete > Number of Sessions: 1 > State of Last Session: complete > Number of Tracks: 1 > READ FORMAT CAPACITIES: > formatted: 11826176*2048=24220008448 > 00h(3000): 11826176*2048=24220008448 > 30h(3000): 11826176*2048=24220008448 > 30h(5000): 11564032*2048=23683137536 > 30h(1000): 12088320*2048=24756879360 > 31h(800): 12219392*2048=25025314816 > READ TRACK INFORMATION[#1]: > Track State: complete > Track Start Address: 0*2KB > Free Blocks: 0*2KB > Track Size: 11826176*2KB > FABRICATED TOC: > Track#1 : 14@0 > Track#AA : 14@11826176 > Multi-session Info: #1@0 > READ CAPACITY: 11826176*2048=24220008448 > > I've been formatting DVD-RAM discs as UDF for years before switching > to BD-RE. I've always been able to mount them, erase files from them > and copy files to them without problems. Now it suddenly seems like > none of my BluRay equipped machines will let me do it. > > Any ideas anyone? > > > -- > To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a > subject of "unsubscribe". Trouble? Contact > listmas...@lists.debian.org > Archive: http://lists.debian.org/50217139.3080...@rogers.com > -- "If you're not careful, the newspapers will have you hating the people who are being oppressed, and loving the people who are doing the oppressing." --- Malcolm X -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: http://lists.debian.org/20120809141427.GG2687@tal