On 01/06/15 23:55, trialotto wrote:
You are very likely to be correct, I saw the specific code (for recent
versions of cloud-init) and it should be able to reformat disks.
Questions are:
- is the swap created after or before the reformat? (Note: a reformat removes
the characteristic
On 01/06/15 23:55, trialotto wrote:
You are very likely to be correct, I saw the specific code (for recent
versions of cloud-init) and it should be able to reformat disks.
Questions are:
- is the swap created after or before the reformat? (Note: a reformat removes
the characteristic
Daniel,
Defining swap with cloud-config will not result in a persistent swap
space across shutdown and restart sequences on Azure.
In general, the cloud-config disk setup and/or filesystem stanza will
not result in a persisting ext4 ephemeral disk in before mentioned
sequences, in which the
Daniel,
Defining swap with cloud-config will not result in a persistent swap
space across shutdown and restart sequences on Azure.
In general, the cloud-config disk setup and/or filesystem stanza will
not result in a persisting ext4 ephemeral disk in before mentioned
sequences, in which the
Hi David,
On 31/05/15 09:45, David Frank wrote:
So I ended up on this page and found the conclusion is azure cloud-init
doesn't support adding a swap through configuration, is that true?
...
I have read both:
- https://wiki.ubuntu.com/AzureSwapPartitions
-
Hi David,
On 31/05/15 09:45, David Frank wrote:
So I ended up on this page and found the conclusion is azure cloud-init
doesn't support adding a swap through configuration, is that true?
...
I have read both:
- https://wiki.ubuntu.com/AzureSwapPartitions
-
Hi trialotto,
Could you confirm what version of cloud-init you are using? Recent
versions detect when a reformatted ephemeral disk is presented and will
always reformat it (I have just confirmed this with an Ubuntu trusty
instance).
Also, ResourceDisk.Format=y only allows you to specify a single
Hi trialotto,
Could you confirm what version of cloud-init you are using? Recent
versions detect when a reformatted ephemeral disk is presented and will
always reformat it (I have just confirmed this with an Ubuntu trusty
instance).
Also, ResourceDisk.Format=y only allows you to specify a single
Daniel,
You are very likely to be correct, I saw the specific code (for recent
versions of cloud-init) and it should be able to reformat disks.
Questions are:
- is the swap created after or before the reformat? (Note: a reformat removes
the characteristic persistent from persistent swap)
- is
Daniel,
You are very likely to be correct, I saw the specific code (for recent
versions of cloud-init) and it should be able to reformat disks.
Questions are:
- is the swap created after or before the reformat? (Note: a reformat removes
the characteristic persistent from persistent swap)
- is
So I ended up on this page and found the conclusion is azure cloud-init
doesn't support adding a swap through configuration, is that true?
Furthermore why isn't there a canonical doc or blog post that explain
the correct way to add swap for Ubuntu VM on Azure?
I have seen examples that modify
So I ended up on this page and found the conclusion is azure cloud-init
doesn't support adding a swap through configuration, is that true?
Furthermore why isn't there a canonical doc or blog post that explain
the correct way to add swap for Ubuntu VM on Azure?
I have seen examples that modify
Ben,
The patch lp-1422919-azure-g5_ephemeral.patch does not help, when
introducing this patch (alone) in cloud-init.
There seems to be some basic problem with the basic config settings, in
the sense that /dev/sdb is always starting as NTFS.
The standard result of the tests are summarized as:
Ben,
The patch lp-1422919-azure-g5_ephemeral.patch does not help, when
introducing this patch (alone) in cloud-init.
There seems to be some basic problem with the basic config settings, in
the sense that /dev/sdb is always starting as NTFS.
The standard result of the tests are summarized as:
I'm happy to report that this will be fixed in the next SRU of Cloud-
init currently in -proposed. For Bug #1422919, we backported bits to
support GPT partition tables. In testing the -proposed package, I
confirmed that things worked.
@trialotto, can you please try the package in -proposed and
I'm happy to report that this will be fixed in the next SRU of Cloud-
init currently in -proposed. For Bug #1422919, we backported bits to
support GPT partition tables. In testing the -proposed package, I
confirmed that things worked.
@trialotto, can you please try the package in -proposed and
@Ben,
As soon as time is available, I will test the -proposed package (if
possible, on the old Azure VMs that have been used for testing).
I will add the following test: testing the 0.7.6 version on Ubuntu
Trusty (14.04.1 LTS)
Please note that I just received the message, implying that I have
@Ben,
As soon as time is available, I will test the -proposed package (if
possible, on the old Azure VMs that have been used for testing).
I will add the following test: testing the 0.7.6 version on Ubuntu
Trusty (14.04.1 LTS)
Please note that I just received the message, implying that I have
@Daniel,
The documentation is not okay: the swap partition (on the last part of a
disk) will not persist through shutdown in Azure.
The strange thing is:
a) often a NTFS formatted ephemeral disk reoccurs when starting up after
a shutdown,
b) a swap partition on the FIRST part of a disk IS
@Daniel,
The documentation is not okay: the swap partition (on the last part of a
disk) will not persist through shutdown in Azure.
The strange thing is:
a) often a NTFS formatted ephemeral disk reoccurs when starting up after
a shutdown,
b) a swap partition on the FIRST part of a disk IS
Steve,
I think the conclusion we've reached is that cloud-init isn't an
appropriate way to add swap to an instance after it has been spun up.
cloud-init has been designed to do disk setup at first boot and so makes
assumptions that wouldn't hold after that point.
If people do want to add swap
Steve,
I think the conclusion we've reached is that cloud-init isn't an
appropriate way to add swap to an instance after it has been spun up.
cloud-init has been designed to do disk setup at first boot and so makes
assumptions that wouldn't hold after that point.
If people do want to add swap
@Dan(iel),
I will post two new bugs (that are not really bugs, but a wish for
code improvement):
- size logic (for both swap space as swap partitions)
- swap stanza that allows changes of swap file size (not swap partitions) on a
created/running VM to be persistent
By the way, if necessary, I
@Dan(iel),
I will post two new bugs (that are not really bugs, but a wish for
code improvement):
- size logic (for both swap space as swap partitions)
- swap stanza that allows changes of swap file size (not swap partitions) on a
created/running VM to be persistent
By the way, if necessary, I
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Hash: SHA1
Hi Steve,
On 19/01/15 20:18, Stephen A. Zarkos wrote:
In case customers are not familiar with the term Custom Data or
how to use it, I would recommend linking to our documentation:
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Hash: SHA1
Hi trialotto,
On 20/01/15 02:15, trialotto wrote:
The documentation looks great.
Thanks!
However, can you add the following (important) remarks to the
documentation page:
a) as from cloud-init 0.7.6, the option exists to create swap by
means
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
Hi trialotto,
On 20/01/15 02:15, trialotto wrote:
The documentation looks great.
Thanks!
However, can you add the following (important) remarks to the
documentation page:
a) as from cloud-init 0.7.6, the option exists to create swap by
means
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
Hi Steve,
On 19/01/15 20:18, Stephen A. Zarkos wrote:
In case customers are not familiar with the term Custom Data or
how to use it, I would recommend linking to our documentation:
@Steve,
I am working on a solution to pass some local cloud-config settings, for
swap space settings and other settings.
One idea is to change the AzureDataSource.py script, in order to allow
it to read from waagent.conf and/or other config files.
The possibility exists, given the fact that a
@Steve,
I am working on a solution to pass some local cloud-config settings, for
swap space settings and other settings.
One idea is to change the AzureDataSource.py script, in order to allow
it to read from waagent.conf and/or other config files.
The possibility exists, given the fact that a
@Daniel,
The documentation looks great.
However, can you add the following (important) remarks to the
documentation page:
a) as from cloud-init 0.7.6, the option exists to create swap by means
of the swap stanza
b) in good practice, swap partitions should be at the start of the disk
(and a
@Daniel,
The documentation looks great.
However, can you add the following (important) remarks to the
documentation page:
a) as from cloud-init 0.7.6, the option exists to create swap by means
of the swap stanza
b) in good practice, swap partitions should be at the start of the disk
(and a
** Changed in: cloud-init (Ubuntu)
Assignee: (unassigned) = Daniel Watkins (daniel-thewatkins)
** Changed in: cloud-init (Ubuntu)
Status: New = In Progress
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** Changed in: cloud-init (Ubuntu)
Assignee: (unassigned) = Daniel Watkins (daniel-thewatkins)
** Changed in: cloud-init (Ubuntu)
Status: New = In Progress
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Steve, I've written up some documentation on how to create swap
partitions on Azure at https://wiki.ubuntu.com/AzureSwapPartitions
Please do let me know if there are any improvements that you'd like me
to make!
(Marking this as Fix Committed until I hear back from you)
** Changed in: cloud-init
Steve, I've written up some documentation on how to create swap
partitions on Azure at https://wiki.ubuntu.com/AzureSwapPartitions
Please do let me know if there are any improvements that you'd like me
to make!
(Marking this as Fix Committed until I hear back from you)
** Changed in: cloud-init
Hi Daniel,
Thanks for doing this, looks great so far! I do have a couple
recommendations:
In case customers are not familiar with the term Custom Data or how to use
it, I would recommend linking to our documentation:
Hi Daniel,
Thanks for doing this, looks great so far! I do have a couple
recommendations:
In case customers are not familiar with the term Custom Data or how to use
it, I would recommend linking to our documentation:
OK, so passing a file containing the following as custom-data gives us a
swap partition and a mounted disk at /mnt:
#cloud-config
disk_setup:
ephemeral0:
table_type: mbr
layout: [[66, 82], 33]
overwrite: True
fs_setup:
- device: ephemeral0.1
filesystem: swap
@Daniel,
I did all the testing before and came to the same result (as you are
probably aware of) BUT with a different CONCLUSION.
I personally concluded that the use of swap partitions, if ever
desirable, is (also) not desirable in the current case AND certainly not
on an ephemeral disk, given
OK, so passing a file containing the following as custom-data gives us a
swap partition and a mounted disk at /mnt:
#cloud-config
disk_setup:
ephemeral0:
table_type: mbr
layout: [[66, 82], 33]
overwrite: True
fs_setup:
- device: ephemeral0.1
filesystem: swap
@Daniel,
I did all the testing before and came to the same result (as you are
probably aware of) BUT with a different CONCLUSION.
I personally concluded that the use of swap partitions, if ever
desirable, is (also) not desirable in the current case AND certainly not
on an ephemeral disk, given
@Cracco,
The discussion has to do with creating (persistent) swap space, on the
resource (ephemeral) disk, without adding additional disks.
In essence, you provide a solution, but the solution ignores the
possibility to use some of the unused disk space on the resource disk.
Furthermore, your
@Cracco,
The discussion has to do with creating (persistent) swap space, on the
resource (ephemeral) disk, without adding additional disks.
In essence, you provide a solution, but the solution ignores the
possibility to use some of the unused disk space on the resource disk.
Furthermore, your
Hi,
these are the steps I've used to add a swap partition to my Ubuntu VM on
Azure:
1) Add from Azure portal a new data disk (in my case I added 2 data
disk, the first is a 100 GB disk, the second one is a 6GB size for swap
partition)
“/dev/sda” is the Azure VM OS disk;
“/dev/sdb” is the Azure
Hi,
these are the steps I've used to add a swap partition to my Ubuntu VM on
Azure:
1) Add from Azure portal a new data disk (in my case I added 2 data
disk, the first is a 100 GB disk, the second one is a 6GB size for swap
partition)
“/dev/sda” is the Azure VM OS disk;
“/dev/sdb” is the Azure
** Summary changed:
- Document ow to add swap space on Azure resource disk
+ Document how to add swap space on Azure resource disk
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** Summary changed:
- Document ow to add swap space on Azure resource disk
+ Document how to add swap space on Azure resource disk
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https://bugs.launchpad.net/bugs/1374166
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