[Expired for linux (Ubuntu) because there has been no activity for 60
days.]
** Changed in: linux (Ubuntu)
Status: Incomplete => Expired
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https://bugs.launchpad.net/bugs/1909518
T
For the 4K sectors, the max limits should be 8T then. (1024G*4096/512)
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Title:
bcache register_bdev() error cannot allocate memory
To manage no
The command example to change 512 sector to 4K for “Intel P4510 4.0TB
U.2 NVMe SSD”
ubuntu@prdhci01a:~$ sudo nvme id-ns /dev/nvme1 -n 1 -H |grep "LBA Format"
[3:0] : 0 Current LBA Format Selected
LBA Format 0 : Metadata Size: 0 bytes - Data Size: 512 bytes - Relative
Performance: 0x2 Goo
This max 1024G size applies to the 512byte sector, most NVME ssd can
change ( LBA format ) to 4K and the max limits will be 16T than.
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Title:
bc
Also, 18.04 ga-kernel worked fine too.
** Description changed:
On 20.04(focal) ga-kernel and 18.04 (hwe-kernel). To make.bcache would
fail as below if the back devices are large than 1024G ( 1025 would
fail, but not 1024 ).
[ 727.756453] bcache: register_bdev() error nvme12n1: cannot
