Re: Upgrade to Jessie - grub-legacy vs grub2; GPT partitions

2015-06-11 Thread Santiago Vila
On Thu, Jun 11, 2015 at 04:25:18PM +1000, Robert S wrote:
 My questions are - should I use grub-legacy (which seems to have all
 of our required features) or should I switch to grub2.  Will
 grub-legacy eventually be phased out?  Is GPT preferable to the old
 partition scheme?

I'm curious: What are your required features regarding boot loaders?
Adding parameters to the linux command line? grub2 allows that, of course.
Anything else?

While it's true that the new grub.cfg is more complex than the old
menu.lst, both are generated automatically, so in practice you don't
have to worry about that. My recommendation: Switch to grub2.

My opinion about GPT is biased because I have only used it on machines
having a Windows install that had to be preserved when installing Debian.

If your machine is Debian-only and you are already using LVM (which I
strongly recommend), I don't see a great practical benefit in terms of
flexible partitioning.


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Re: Upgrade to Jessie - grub-legacy vs grub2; GPT partitions

2015-06-11 Thread Georgi Naplatanov
On 06/11/2015 09:25 AM, Robert S wrote:
 Hi.
 
 We recently had a hard drive crash on our machine which has been
 running debian for many years and has been incrementally upgraded.  We
 use it for a small business.  I have not yet upgraded to debian 8.0.
 We plan to transfer our backup to a low-spec machine (Gigabyte Brix
 with 120G SSD) then do the upgrade.
 
 I note that the bootloader debian 7 has recently been upgraded to
 grub2.  This seems to be considerably less transparent than
 grub-legacy.  Also - should I use GPT for our new partitions?  This
 seems to require a small partition at the beginning of the disk, but
 does not require extended partitions and is more flexible in terms of
 resizing partitions.
 
 My questions are - should I use grub-legacy (which seems to have all
 of our required features) or should I switch to grub2.  Will
 grub-legacy eventually be phased out?  Is GPT preferable to the old
 partition scheme?
 
Hi Robert,

I don't know if you have to keep using grub-legacy, but this is
advantages of using GPT:

 - the partition table has a second copy
 - if you make bios_boot partition big enough (about 50MB) you can
easily migrate your installation from BIOS to EFI. In this case you will
have to format BIOS partition with FAT32 and install grub-efi-amd64.

HTH

Kind regards
Georgi


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Upgrade to Jessie - grub-legacy vs grub2; GPT partitions

2015-06-11 Thread Robert S
Hi.

We recently had a hard drive crash on our machine which has been
running debian for many years and has been incrementally upgraded.  We
use it for a small business.  I have not yet upgraded to debian 8.0.
We plan to transfer our backup to a low-spec machine (Gigabyte Brix
with 120G SSD) then do the upgrade.

I note that the bootloader debian 7 has recently been upgraded to
grub2.  This seems to be considerably less transparent than
grub-legacy.  Also - should I use GPT for our new partitions?  This
seems to require a small partition at the beginning of the disk, but
does not require extended partitions and is more flexible in terms of
resizing partitions.

My questions are - should I use grub-legacy (which seems to have all
of our required features) or should I switch to grub2.  Will
grub-legacy eventually be phased out?  Is GPT preferable to the old
partition scheme?

Thanks in advance.


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