Can kfed repair the Disk header block stored in the 2.nd AU ?
Delete Disk header block in AU[1] First use dd to figure out whether we are getting the correct block [grid@grac41 ASM]$ dd if=/dev/asm_test_1G_disk1 of=- bs=4096 count=1 skip=510 ; strings block1 1+0 records in 1+0 records out 4096 bytes (4.1 kB) copied, 0.000464628 s, 8.8 MB/s ORCLDISK TEST_0000 TEST TEST_0000 --> looks like an ASM disk header - go ahead and erase that block [grid@grac41 ASM]$ dd if=/dev/zero of=/dev/asm_test_1G_disk1 bs=4096 count=1 seek=510 1+0 records in 1+0 records out 4096 bytes (4.1 kB) copied, 0.00644028 s, 636 kB/s Verify ASM disk header block in AU[1] [grid@grac41 ASM]$ kfed read /dev/asm_test_1G_disk1 aun=1 blkn=254 kfbh.type: 0 ; 0x002: KFBTYP_INVALID KFED-00322: Invalid content encountered during block traversal: [kfbtTraverseBlock][Invalid OSM block type][][0] --> Corrupted ASM disk header detected [grid@grac41 ASM]$ kfed repair /dev/asm_test_1G_disk1 KFED-00320: Invalid block num1 = [0], num2 = [1], error = [endian_kfbh] --> kfed repair doesn' work Repair block with dd grid@grac41 ASM]$ dd if=/dev/asm_test_1G_disk1 bs=4096 count=1 of=/dev/asm_test_1G_disk1 bs=4096 count=1 seek=510 1+0 records in 1+0 records out 4096 bytes (4.1 kB) copied, 0.0306682 s, 134 kB/s [grid@grac41 ASM]$ kfed read /dev/asm_test_1G_disk1 aun=0 blkn=0 kfbh.type: 1 ; 0x002: KFBTYP_DISKHEAD kfdhdb.dskname: TEST_0000 ; 0x028: length=9 kfdhdb.grpname: TEST ; 0x048: length=4 kfdhdb.fgname: TEST_0000 ; 0x068: length=9 kfdhdb.capname: ; 0x088: length=0 kfdhdb.secsize: 512 ; 0x0b8: 0x0200 kfdhdb.blksize: 4096 ; 0x0ba: 0x1000 kfdhdb.ausize: 1048576 ; 0x0bc: 0x00100000 kfdhdb.dsksize: 1023 ; 0x0c4: 0x000003ff # kfed read /dev/asm_test_1G_disk1 aun=1 blkn=254 kfbh.type: 1 ; 0x002: KFBTYP_DISKHEAD kfdhdb.dskname: TEST_0000 ; 0x028: length=9 kfdhdb.grpname: TEST ; 0x048: length=4 kfdhdb.fgname: TEST_0000 ; 0x068: length=9 kfdhdb.capname: ; 0x088: length=0 kfdhdb.secsize: 512 ; 0x0b8: 0x0200 kfdhdb.blksize: 4096 ; 0x0ba: 0x1000 kfdhdb.ausize: 1048576 ; 0x0bc: 0x00100000 kfdhdb.dsksize: 1023 ; 0x0c4: 0x000003ff Summary: to fix the backup block or the ASM disk header in AU 1 block you need to use dd
Howdy fantastic blog! Does running a blog such as this take a great deal of work? I have absolutely no knowledge of programming but I was hoping to start my own blog in the near future. Anyways, should you have any ideas or tips for new blog owners please share. I understand this is off topic nevertheless I simply had to ask. Kudos!
Ok- you need some time to understand the basic of blogging.
Having some understanding of CSS, PHP would be helpfull too.
But Workpress ( I’m using 4.1 ) should help you to start quickly.
If you use my menu MISC -> Workpress Details
you can find out my styles.css changes done compared to the original Twenty Twelve Theme
Very helpful
Thank you