SSD partition aligned
I need to prepare the file system of an SSD disk in a way that a Database Administrator pointed me to, which would be a way optimized SSD to work.
I have a disk: SSD: Samsung 500 GB SATA III 6Gb/s - Model: 850 Evo
http://www.samsung.com/semiconductor/minisite/ssd/product/consumer/850evo/
http://downloadcenter.samsung.com/content/UM/201711/20171115104118871/Samsung_SSD_850_EVO_Data_Sheet_Rev_3_1.pdf
The DBA said that should be partition aligned to 3072 not default 2048, to start on erase block bounduary. And fs block should be 8kb.
Anyone know if this is even indicated ?
Another question, can you give me a hint of what program I could do this. I have already used fdisk but I do not know how to do this in Fdisk. I used Linux Debian 8(Jessie) 64b with Ext4 File system.
Best Regards
Neto
filesystems ext4 ssd
asked Jan 16 '18 at 14:38
NetoNeto
12
add a comment |
I need to prepare the file system of an SSD disk in a way that a Database Administrator pointed me to, which would be a way optimized SSD to work.
I have a disk: SSD: Samsung 500 GB SATA III 6Gb/s - Model: 850 Evo
http://www.samsung.com/semiconductor/minisite/ssd/product/consumer/850evo/
http://downloadcenter.samsung.com/content/UM/201711/20171115104118871/Samsung_SSD_850_EVO_Data_Sheet_Rev_3_1.pdf
The DBA said that should be partition aligned to 3072 not default 2048, to start on erase block bounduary. And fs block should be 8kb.
Anyone know if this is even indicated ?
Another question, can you give me a hint of what program I could do this. I have already used fdisk but I do not know how to do this in Fdisk. I used Linux Debian 8(Jessie) 64b with Ext4 File system.
Best Regards
Neto
filesystems ext4 ssd
asked Jan 16 '18 at 14:38
NetoNeto
12
2
3 kB erase block boundary? On a disk that appears to have a 4 kB block size? How could that possibly work?
– Andrew Henle
Jan 16 '18 at 17:34
add a comment |
I need to prepare the file system of an SSD disk in a way that a Database Administrator pointed me to, which would be a way optimized SSD to work.
I have a disk: SSD: Samsung 500 GB SATA III 6Gb/s - Model: 850 Evo
http://www.samsung.com/semiconductor/minisite/ssd/product/consumer/850evo/
http://downloadcenter.samsung.com/content/UM/201711/20171115104118871/Samsung_SSD_850_EVO_Data_Sheet_Rev_3_1.pdf
The DBA said that should be partition aligned to 3072 not default 2048, to start on erase block bounduary. And fs block should be 8kb.
Anyone know if this is even indicated ?
Another question, can you give me a hint of what program I could do this. I have already used fdisk but I do not know how to do this in Fdisk. I used Linux Debian 8(Jessie) 64b with Ext4 File system.
Best Regards
Neto
filesystems ext4 ssd
asked Jan 16 '18 at 14:38
NetoNeto
12
I need to prepare the file system of an SSD disk in a way that a Database Administrator pointed me to, which would be a way optimized SSD to work.
I have a disk: SSD: Samsung 500 GB SATA III 6Gb/s - Model: 850 Evo
http://www.samsung.com/semiconductor/minisite/ssd/product/consumer/850evo/
http://downloadcenter.samsung.com/content/UM/201711/20171115104118871/Samsung_SSD_850_EVO_Data_Sheet_Rev_3_1.pdf
The DBA said that should be partition aligned to 3072 not default 2048, to start on erase block bounduary. And fs block should be 8kb.
Anyone know if this is even indicated ?
Another question, can you give me a hint of what program I could do this. I have already used fdisk but I do not know how to do this in Fdisk. I used Linux Debian 8(Jessie) 64b with Ext4 File system.
Best Regards
Neto
filesystems ext4 ssd
filesystems ext4 ssd
asked Jan 16 '18 at 14:38
NetoNeto
12
asked Jan 16 '18 at 14:38
NetoNeto
12
asked Jan 16 '18 at 14:38
NetoNeto
12
asked Jan 16 '18 at 14:38
NetoNeto
12
asked Jan 16 '18 at 14:38
NetoNeto
12
12
2
3 kB erase block boundary? On a disk that appears to have a 4 kB block size? How could that possibly work?
– Andrew Henle
Jan 16 '18 at 17:34
add a comment |
2
3 kB erase block boundary? On a disk that appears to have a 4 kB block size? How could that possibly work?
– Andrew Henle
Jan 16 '18 at 17:34
2
2
3 kB erase block boundary? On a disk that appears to have a 4 kB block size? How could that possibly work?
– Andrew Henle
Jan 16 '18 at 17:34
3 kB erase block boundary? On a disk that appears to have a 4 kB block size? How could that possibly work?
– Andrew Henle
Jan 16 '18 at 17:34
add a comment |
1 Answer
1
active
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Searching I checked that In past, proper alignment required manual calculation and intervention when partitioning. Many of the common partition tools now handle partition alignment automatically.
For example, on an already partitioned disk, you can use parted ( https://wiki.archlinux.org/index.php/GNU_Parted#Check_alignment )
to verify the alignment of a partition on a device in LInux S.O. This example I ran on my Samsung SSD 500GB 850 Evo, see below:
-------BEGIN PARTED TOOL -------------------------------------------------------------
root@hp2ml110deb:parted /dev/sdb
(parted) print list
Model: ATA Samsung SSD 850 (scsi)
Disk /dev/sdb: 500GB
Sector size (logical/physical): 512B/512B
Partition Table: loop
Disk Flags:
Number Start End Size File system Flags
1 0.00B 500GB 500GB ext4
Model: ATA MB1000GCWCV (scsi)
Disk /dev/sda: 1000GB
Sector size (logical/physical): 512B/512B
Partition Table: gpt
Disk Flags:
Number Start End Size File system Name Flags
1 1049kB 538MB 537MB fat32 boot, esp
2 538MB 992GB 991GB ext4
3 992GB 1000GB 8319MB linux-swap(v1)
(parted) select /dev/sdb
Using /dev/sdb
(parted) align-check
alignment type(min/opt) [optimal]/minimal? opt
Partition number? 1
1 aligned
(parted)
---------------------------- END --------------------------------------------------
One question that I have doubts is, if these tools really do align properly, how accurate are they?
edited Jan 17 '18 at 3:56
cas
38.9k453101
answered Jan 16 '18 at 18:31
NetoNeto
12
this doesn't really seem to be an answer. it probably belongs in your question.
– cas
Jan 17 '18 at 3:57
Why no? read this that I write in reply: " I checked that In past, proper alignment required manual calculation and intervention when partitioning. Many of the common partition tools now handle partition alignment automatically."
– Neto
Jan 18 '18 at 2:26
add a comment |
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1 Answer
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1 Answer
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oldest
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Searching I checked that In past, proper alignment required manual calculation and intervention when partitioning. Many of the common partition tools now handle partition alignment automatically.
For example, on an already partitioned disk, you can use parted ( https://wiki.archlinux.org/index.php/GNU_Parted#Check_alignment )
to verify the alignment of a partition on a device in LInux S.O. This example I ran on my Samsung SSD 500GB 850 Evo, see below:
-------BEGIN PARTED TOOL -------------------------------------------------------------
root@hp2ml110deb:parted /dev/sdb
(parted) print list
Model: ATA Samsung SSD 850 (scsi)
Disk /dev/sdb: 500GB
Sector size (logical/physical): 512B/512B
Partition Table: loop
Disk Flags:
Number Start End Size File system Flags
1 0.00B 500GB 500GB ext4
Model: ATA MB1000GCWCV (scsi)
Disk /dev/sda: 1000GB
Sector size (logical/physical): 512B/512B
Partition Table: gpt
Disk Flags:
Number Start End Size File system Name Flags
1 1049kB 538MB 537MB fat32 boot, esp
2 538MB 992GB 991GB ext4
3 992GB 1000GB 8319MB linux-swap(v1)
(parted) select /dev/sdb
Using /dev/sdb
(parted) align-check
alignment type(min/opt) [optimal]/minimal? opt
Partition number? 1
1 aligned
(parted)
---------------------------- END --------------------------------------------------
One question that I have doubts is, if these tools really do align properly, how accurate are they?
edited Jan 17 '18 at 3:56
cas
38.9k453101
answered Jan 16 '18 at 18:31
NetoNeto
12
this doesn't really seem to be an answer. it probably belongs in your question.
– cas
Jan 17 '18 at 3:57
Why no? read this that I write in reply: " I checked that In past, proper alignment required manual calculation and intervention when partitioning. Many of the common partition tools now handle partition alignment automatically."
– Neto
Jan 18 '18 at 2:26
add a comment |
Searching I checked that In past, proper alignment required manual calculation and intervention when partitioning. Many of the common partition tools now handle partition alignment automatically.
For example, on an already partitioned disk, you can use parted ( https://wiki.archlinux.org/index.php/GNU_Parted#Check_alignment )
to verify the alignment of a partition on a device in LInux S.O. This example I ran on my Samsung SSD 500GB 850 Evo, see below:
-------BEGIN PARTED TOOL -------------------------------------------------------------
root@hp2ml110deb:parted /dev/sdb
(parted) print list
Model: ATA Samsung SSD 850 (scsi)
Disk /dev/sdb: 500GB
Sector size (logical/physical): 512B/512B
Partition Table: loop
Disk Flags:
Number Start End Size File system Flags
1 0.00B 500GB 500GB ext4
Model: ATA MB1000GCWCV (scsi)
Disk /dev/sda: 1000GB
Sector size (logical/physical): 512B/512B
Partition Table: gpt
Disk Flags:
Number Start End Size File system Name Flags
1 1049kB 538MB 537MB fat32 boot, esp
2 538MB 992GB 991GB ext4
3 992GB 1000GB 8319MB linux-swap(v1)
(parted) select /dev/sdb
Using /dev/sdb
(parted) align-check
alignment type(min/opt) [optimal]/minimal? opt
Partition number? 1
1 aligned
(parted)
---------------------------- END --------------------------------------------------
One question that I have doubts is, if these tools really do align properly, how accurate are they?
edited Jan 17 '18 at 3:56
cas
38.9k453101
answered Jan 16 '18 at 18:31
NetoNeto
12
this doesn't really seem to be an answer. it probably belongs in your question.
– cas
Jan 17 '18 at 3:57
Why no? read this that I write in reply: " I checked that In past, proper alignment required manual calculation and intervention when partitioning. Many of the common partition tools now handle partition alignment automatically."
– Neto
Jan 18 '18 at 2:26
add a comment |
Searching I checked that In past, proper alignment required manual calculation and intervention when partitioning. Many of the common partition tools now handle partition alignment automatically.
For example, on an already partitioned disk, you can use parted ( https://wiki.archlinux.org/index.php/GNU_Parted#Check_alignment )
to verify the alignment of a partition on a device in LInux S.O. This example I ran on my Samsung SSD 500GB 850 Evo, see below:
-------BEGIN PARTED TOOL -------------------------------------------------------------
root@hp2ml110deb:parted /dev/sdb
(parted) print list
Model: ATA Samsung SSD 850 (scsi)
Disk /dev/sdb: 500GB
Sector size (logical/physical): 512B/512B
Partition Table: loop
Disk Flags:
Number Start End Size File system Flags
1 0.00B 500GB 500GB ext4
Model: ATA MB1000GCWCV (scsi)
Disk /dev/sda: 1000GB
Sector size (logical/physical): 512B/512B
Partition Table: gpt
Disk Flags:
Number Start End Size File system Name Flags
1 1049kB 538MB 537MB fat32 boot, esp
2 538MB 992GB 991GB ext4
3 992GB 1000GB 8319MB linux-swap(v1)
(parted) select /dev/sdb
Using /dev/sdb
(parted) align-check
alignment type(min/opt) [optimal]/minimal? opt
Partition number? 1
1 aligned
(parted)
---------------------------- END --------------------------------------------------
One question that I have doubts is, if these tools really do align properly, how accurate are they?
edited Jan 17 '18 at 3:56
cas
38.9k453101
answered Jan 16 '18 at 18:31
NetoNeto
12
Searching I checked that In past, proper alignment required manual calculation and intervention when partitioning. Many of the common partition tools now handle partition alignment automatically.
For example, on an already partitioned disk, you can use parted ( https://wiki.archlinux.org/index.php/GNU_Parted#Check_alignment )
to verify the alignment of a partition on a device in LInux S.O. This example I ran on my Samsung SSD 500GB 850 Evo, see below:
-------BEGIN PARTED TOOL -------------------------------------------------------------
root@hp2ml110deb:parted /dev/sdb
(parted) print list
Model: ATA Samsung SSD 850 (scsi)
Disk /dev/sdb: 500GB
Sector size (logical/physical): 512B/512B
Partition Table: loop
Disk Flags:
Number Start End Size File system Flags
1 0.00B 500GB 500GB ext4
Model: ATA MB1000GCWCV (scsi)
Disk /dev/sda: 1000GB
Sector size (logical/physical): 512B/512B
Partition Table: gpt
Disk Flags:
Number Start End Size File system Name Flags
1 1049kB 538MB 537MB fat32 boot, esp
2 538MB 992GB 991GB ext4
3 992GB 1000GB 8319MB linux-swap(v1)
(parted) select /dev/sdb
Using /dev/sdb
(parted) align-check
alignment type(min/opt) [optimal]/minimal? opt
Partition number? 1
1 aligned
(parted)
---------------------------- END --------------------------------------------------
One question that I have doubts is, if these tools really do align properly, how accurate are they?
edited Jan 17 '18 at 3:56
cas
38.9k453101
answered Jan 16 '18 at 18:31
NetoNeto
12
edited Jan 17 '18 at 3:56
cas
38.9k453101
edited Jan 17 '18 at 3:56
cas
38.9k453101
edited Jan 17 '18 at 3:56
cas
38.9k453101
38.9k453101
answered Jan 16 '18 at 18:31
NetoNeto
12
answered Jan 16 '18 at 18:31
NetoNeto
12
answered Jan 16 '18 at 18:31
NetoNeto
12
12
this doesn't really seem to be an answer. it probably belongs in your question.
– cas
Jan 17 '18 at 3:57
Why no? read this that I write in reply: " I checked that In past, proper alignment required manual calculation and intervention when partitioning. Many of the common partition tools now handle partition alignment automatically."
– Neto
Jan 18 '18 at 2:26
add a comment |
this doesn't really seem to be an answer. it probably belongs in your question.
– cas
Jan 17 '18 at 3:57
Why no? read this that I write in reply: " I checked that In past, proper alignment required manual calculation and intervention when partitioning. Many of the common partition tools now handle partition alignment automatically."
– Neto
Jan 18 '18 at 2:26
this doesn't really seem to be an answer. it probably belongs in your question.
– cas
Jan 17 '18 at 3:57
this doesn't really seem to be an answer. it probably belongs in your question.
– cas
Jan 17 '18 at 3:57
Why no? read this that I write in reply: " I checked that In past, proper alignment required manual calculation and intervention when partitioning. Many of the common partition tools now handle partition alignment automatically."
– Neto
Jan 18 '18 at 2:26
Why no? read this that I write in reply: " I checked that In past, proper alignment required manual calculation and intervention when partitioning. Many of the common partition tools now handle partition alignment automatically."
– Neto
Jan 18 '18 at 2:26
add a comment |
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2
3 kB erase block boundary? On a disk that appears to have a 4 kB block size? How could that possibly work?
– Andrew Henle
Jan 16 '18 at 17:34