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HI, I've a, BIOS based, dual-boot desktop, runnung both (fully updated as of yesterday) Arch-64/Windows 10 (originally Win7). The PC has 3 drives: sda (optical), sdb (2.7 TB GPT based HD, originally containg 8 GPT partitions), and sdc (1.5 TB, MBR based HD). The sdc contains GRUB and Windows. The sdb contains 8 Linux and data GPT partitions. Yesterday, while shutting down Windows, the system hung for a moment than shut down. Eversince, I can only boot into Windows as Arch won't find linux root.. I would appreciate a detailed help regaining full acsess to all my sb partition (especially a 2.6 TB ntfs partition containg many many photos...). Thanks up front! I've booted with SystemRescue CD and got the following: (I'm especially worried about the 64b overlap-see below). GParted reported thar sdb has no valid fake msdos partition table, but in view of the above overlap, I'm afraid to try to restore. |
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% lsblk NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT sda 8:0 0 238.5G 0 disk └─sda1 8:1 0 238.5G 0 part sdb 8:16 0 2.7T 0 disk ├─sdb1 8:17 0 734M 0 part └─sdb2 8:18 0 40M 0 part sdc 8:32 0 1.4T 0 disk ├─sdc1 8:33 0 89.9G 0 part ├─sdc2 8:34 0 149M 0 part ├─sdc3 8:35 0 1.1T 0 part └─sdc4 8:36 0 208.4G 0 part sr0 11:0 1 460.2M 0 rom /livemnt/boot loop0 7:0 0 338.5M 1 loop /livemnt/squashfs root@sysresccd /root % gdisk /dev/sdb GPT fdisk (gdisk) version 1.0.1 Partition table scan: MBR: MBR only BSD: not present APM: not present GPT: present Found valid MBR and GPT. Which do you want to use? 1 - MBR 2 - GPT 3 - Create blank GPT Your answer: 2 Using GPT and creating fresh protective MBR. Warning! Main partition table overlaps the first partition by 64 blocks! You will need to delete this partition or resize it in another utility. Command (? for help): p Disk /dev/sdb: 5860524911 sectors, 2.7 TiB Logical sector size: 512 bytes Disk identifier (GUID): CC8A67FE-F174-45C4-9EFD-A6402499F11E Partition table holds up to 248 entries First usable sector is 64, last usable sector is 1503168 Partitions will be aligned on 8-sector boundaries Total free space is 1 sectors (512 bytes) Number Start (sector) End (sector) Size Code Name 2 172 82091 40.0 MiB 0700 ISOHybrid1 |