Is it a SSD? A lot of SSD (especially consumer grade) lie about writes completing and cause nasty problems when the power goes out...
Try mounting it with ro,noload. ----- Original Message ----- > From: "Henrique C. S. Junior" <[email protected]> > To: "Scientific Linux Users" <[email protected]> > Sent: Monday, October 21, 2013 8:52:52 AM > Subject: Kernel Panic after power failure > After a power failure in my building, my SL 6.4 (x86_64) is > experiencing a kernel panic in the first stages of booting. > Error messages suggests that a serious problem occurred with my Ext4 > filesystem in /dev/mapper/VolGroup-lv_root. > Here are the error messages aftes the kernel panic: > ata3.00: status: { DRDY ERR } > ata3.00: error: { UNC } > ata3.00: exception Emask 0xoSAct 0x0 SErr 0x0 action 0x0 > ata3.00: BMDMA stat 0x25 > ata3.00: failed command: READ DMA > ata3.00: cmd c8/00:00:c0:86:14/00:00:00:00:00/e3 tag 0 dm 131072 in > res 51/40:cf:e8:86:14/00:00:00:00:00/e3 Emask 0x9 (media error) > ata3.00: status: { DRDY ERR } > ata3.00: error: { UNC } > JBD: Failed to read block at offset 6886 > EXT4-fs (dm-0): error loading journal > mount: wrong fs type, bad option, bad superblock on > /dev/mapper/VolGroup-lv_root, > missing codepage or helper program, or other error > In some cases useful info is found in syslog - try > dmesg | tail or so > Rescue disk says that I "don't have any Linux partitions" and I need > to rescue, at least, two MySQL databases in this server. > Can someone, please, provide some help with this case? > --- > Henrique C. S. Junior > http://about.me/henriquejunior > Química Industrial - UFRRJ > Prefeitura Muncipal de Paracambi > Centro de Processamento de Dados
