Discussion:
eSATA
(too old to reply)
cristalink
2007-04-19 20:33:25 UTC
Permalink
Hi, I am considering an external SATA HDD for my server.

1) Assuming my motherboard supports eSATA, or I buy an eSATA controller,
will the eSATA HDD appear as a removable device with the safe removal icon
on the taskbar, like a USB external HDD?

2) There are SATA->eSATA and eSATA->SATA cables. If I connect the first
cable to my m/b that supports only SATA (not eSATA), and then connect the
second cable to the first one, and then connect a SATA HDD to the second
cable, it won't make the HDD hot swappable, will it?

Thanks
leew [MVP]
2007-04-19 21:52:53 UTC
Permalink
Post by cristalink
Hi, I am considering an external SATA HDD for my server.
1) Assuming my motherboard supports eSATA, or I buy an eSATA controller,
will the eSATA HDD appear as a removable device with the safe removal icon
on the taskbar, like a USB external HDD?
2) There are SATA->eSATA and eSATA->SATA cables. If I connect the first
cable to my m/b that supports only SATA (not eSATA), and then connect the
second cable to the first one, and then connect a SATA HDD to the second
cable, it won't make the HDD hot swappable, will it?
Thanks
1. Not likely - though it can depend on the controller (I've not seen
one that would make it removable like that).

2. The controller and to an extent, the drive determine if it's hot
swappable, not so much the cable.
cristalink
2007-04-19 22:19:11 UTC
Permalink
Thanks! So you are saying that none of the eSATA controllers you've seen
displayed the safe removal icon?

My point is that there is no much sense in the physical hot swappability if
there is no way to ensure the data buffers were flushed properly.

The safe removal icon flushes the buffers and logically removes the drive
from the system to ensure new data won't be written to it.

Cheers
Post by cristalink
Hi, I am considering an external SATA HDD for my server.
1) Assuming my motherboard supports eSATA, or I buy an eSATA controller,
will the eSATA HDD appear as a removable device with the safe removal
icon on the taskbar, like a USB external HDD?
2) There are SATA->eSATA and eSATA->SATA cables. If I connect the first
cable to my m/b that supports only SATA (not eSATA), and then connect the
second cable to the first one, and then connect a SATA HDD to the second
cable, it won't make the HDD hot swappable, will it?
Thanks
1. Not likely - though it can depend on the controller (I've not seen one
that would make it removable like that).
2. The controller and to an extent, the drive determine if it's hot
swappable, not so much the cable.
leew [MVP]
2007-04-20 17:43:28 UTC
Permalink
Post by cristalink
Thanks! So you are saying that none of the eSATA controllers you've seen
displayed the safe removal icon?
My point is that there is no much sense in the physical hot swappability if
there is no way to ensure the data buffers were flushed properly.
The safe removal icon flushes the buffers and logically removes the drive
from the system to ensure new data won't be written to it.
Cheers
Post by cristalink
Hi, I am considering an external SATA HDD for my server.
1) Assuming my motherboard supports eSATA, or I buy an eSATA controller,
will the eSATA HDD appear as a removable device with the safe removal
icon on the taskbar, like a USB external HDD?
2) There are SATA->eSATA and eSATA->SATA cables. If I connect the first
cable to my m/b that supports only SATA (not eSATA), and then connect the
second cable to the first one, and then connect a SATA HDD to the second
cable, it won't make the HDD hot swappable, will it?
Thanks
1. Not likely - though it can depend on the controller (I've not seen one
that would make it removable like that).
2. The controller and to an extent, the drive determine if it's hot
swappable, not so much the cable.
Correct. I've not seen an eSATA controller that presented the disk in
such a way to the OS.

Frankly, I wouldn't be using eSATA for removable drives myself. I use
them for extending storage when the bays inside a system are full.
Bob Felton
2007-05-01 18:16:34 UTC
Permalink
I'm considering using an external SATA enclosure for backup data
storage. I was considering using a Sonnet Fusion 500P enclosure and a
Sonnet Tempo SATA X4P eSATA controller. This combination can provide
5 separate drives to the system. I want to be able to remove (and
replace) one of them weekly for off-site storage without having to
shutdown/restart the server. The 500P enclosure is touted as being
hot swappable. However, a footnote in the specs for the X4P states
that under Windows, hot swapping is not possible, due to Windows
itself, not the controller. I have a SIIG eSATA II-150 PCI
controller. Its manual states that hot swapping can be accomplished
by disabling the target drive via Device Manager and then removing it.
The manual does not go beyond that statement. However, I believe it
infers that the replacement drive can then be attached and the OS will
detect and enable it. Would this work?


On Fri, 20 Apr 2007 13:43:28 -0400, "leew [MVP]"
Post by leew [MVP]
Post by cristalink
Thanks! So you are saying that none of the eSATA controllers you've seen
displayed the safe removal icon?
My point is that there is no much sense in the physical hot swappability if
there is no way to ensure the data buffers were flushed properly.
The safe removal icon flushes the buffers and logically removes the drive
from the system to ensure new data won't be written to it.
Cheers
Post by cristalink
Hi, I am considering an external SATA HDD for my server.
1) Assuming my motherboard supports eSATA, or I buy an eSATA controller,
will the eSATA HDD appear as a removable device with the safe removal
icon on the taskbar, like a USB external HDD?
2) There are SATA->eSATA and eSATA->SATA cables. If I connect the first
cable to my m/b that supports only SATA (not eSATA), and then connect the
second cable to the first one, and then connect a SATA HDD to the second
cable, it won't make the HDD hot swappable, will it?
Thanks
1. Not likely - though it can depend on the controller (I've not seen one
that would make it removable like that).
2. The controller and to an extent, the drive determine if it's hot
swappable, not so much the cable.
Correct. I've not seen an eSATA controller that presented the disk in
such a way to the OS.
Frankly, I wouldn't be using eSATA for removable drives myself. I use
them for extending storage when the bays inside a system are full.
--
Bob Felton
cristalink
2007-05-01 21:40:26 UTC
Permalink
This should work. Connect a new drive then enable the drive in Device
Manager.
Post by Bob Felton
I'm considering using an external SATA enclosure for backup data
storage. I was considering using a Sonnet Fusion 500P enclosure and a
Sonnet Tempo SATA X4P eSATA controller. This combination can provide
5 separate drives to the system. I want to be able to remove (and
replace) one of them weekly for off-site storage without having to
shutdown/restart the server. The 500P enclosure is touted as being
hot swappable. However, a footnote in the specs for the X4P states
that under Windows, hot swapping is not possible, due to Windows
itself, not the controller. I have a SIIG eSATA II-150 PCI
controller. Its manual states that hot swapping can be accomplished
by disabling the target drive via Device Manager and then removing it.
The manual does not go beyond that statement. However, I believe it
infers that the replacement drive can then be attached and the OS will
detect and enable it. Would this work?
On Fri, 20 Apr 2007 13:43:28 -0400, "leew [MVP]"
Post by leew [MVP]
Post by cristalink
Thanks! So you are saying that none of the eSATA controllers you've seen
displayed the safe removal icon?
My point is that there is no much sense in the physical hot swappability if
there is no way to ensure the data buffers were flushed properly.
The safe removal icon flushes the buffers and logically removes the drive
from the system to ensure new data won't be written to it.
Cheers
Post by cristalink
Hi, I am considering an external SATA HDD for my server.
1) Assuming my motherboard supports eSATA, or I buy an eSATA controller,
will the eSATA HDD appear as a removable device with the safe removal
icon on the taskbar, like a USB external HDD?
2) There are SATA->eSATA and eSATA->SATA cables. If I connect the first
cable to my m/b that supports only SATA (not eSATA), and then connect the
second cable to the first one, and then connect a SATA HDD to the second
cable, it won't make the HDD hot swappable, will it?
Thanks
1. Not likely - though it can depend on the controller (I've not seen one
that would make it removable like that).
2. The controller and to an extent, the drive determine if it's hot
swappable, not so much the cable.
Correct. I've not seen an eSATA controller that presented the disk in
such a way to the OS.
Frankly, I wouldn't be using eSATA for removable drives myself. I use
them for extending storage when the bays inside a system are full.
--
Bob Felton
Bob Felton
2007-05-04 18:07:13 UTC
Permalink
I thought so. Will be checking it out in a week or so.


On Wed, 2 May 2007 09:40:26 +1200, "cristalink"
Post by cristalink
This should work. Connect a new drive then enable the drive in Device
Manager.
Post by Bob Felton
I'm considering using an external SATA enclosure for backup data
storage. I was considering using a Sonnet Fusion 500P enclosure and a
Sonnet Tempo SATA X4P eSATA controller. This combination can provide
5 separate drives to the system. I want to be able to remove (and
replace) one of them weekly for off-site storage without having to
shutdown/restart the server. The 500P enclosure is touted as being
hot swappable. However, a footnote in the specs for the X4P states
that under Windows, hot swapping is not possible, due to Windows
itself, not the controller. I have a SIIG eSATA II-150 PCI
controller. Its manual states that hot swapping can be accomplished
by disabling the target drive via Device Manager and then removing it.
The manual does not go beyond that statement. However, I believe it
infers that the replacement drive can then be attached and the OS will
detect and enable it. Would this work?
On Fri, 20 Apr 2007 13:43:28 -0400, "leew [MVP]"
Post by leew [MVP]
Post by cristalink
Thanks! So you are saying that none of the eSATA controllers you've seen
displayed the safe removal icon?
My point is that there is no much sense in the physical hot swappability if
there is no way to ensure the data buffers were flushed properly.
The safe removal icon flushes the buffers and logically removes the drive
from the system to ensure new data won't be written to it.
Cheers
Post by cristalink
Hi, I am considering an external SATA HDD for my server.
1) Assuming my motherboard supports eSATA, or I buy an eSATA controller,
will the eSATA HDD appear as a removable device with the safe removal
icon on the taskbar, like a USB external HDD?
2) There are SATA->eSATA and eSATA->SATA cables. If I connect the first
cable to my m/b that supports only SATA (not eSATA), and then connect the
second cable to the first one, and then connect a SATA HDD to the second
cable, it won't make the HDD hot swappable, will it?
Thanks
1. Not likely - though it can depend on the controller (I've not seen one
that would make it removable like that).
2. The controller and to an extent, the drive determine if it's hot
swappable, not so much the cable.
Correct. I've not seen an eSATA controller that presented the disk in
such a way to the OS.
Frankly, I wouldn't be using eSATA for removable drives myself. I use
them for extending storage when the bays inside a system are full.
--
Bob Felton
--
Bob Felton
Colin Kee
2010-08-05 08:27:21 UTC
Permalink
Dear all, sorry to bring up this port. This is for awareness that there is a NEW eSATA called eSATAp (Powered eSATA).

Powered eSATA is a eSATA + USB combo.

You can safely add & remove eSATA devices with HotSwap!
http://mt-naka.com/hotswap/index_enu.htm

1) ANY sata capable machine can upgrade to eSATAp with just a simple Delock bracket (NO drivers, BIOS AHCI or OS reg tweak is needed)

2) The powered eSATA can now power a 3.5" HDD , SSD, or DVD rW on just ONE cable in a desktop envionment.

3) Lastly, many NAS & notebooks are now equipped with eSATA port.



cristalink wrote:

eSATA
19-Apr-07

Hi, I am considering an external SATA HDD for my server

1) Assuming my motherboard supports eSATA, or I buy an eSATA controller,
will the eSATA HDD appear as a removable device with the safe removal icon
on the taskbar, like a USB external HDD

2) There are SATA->eSATA and eSATA->SATA cables. If I connect the first
cable to my m/b that supports only SATA (not eSATA), and then connect the
second cable to the first one, and then connect a SATA HDD to the second
cable, it won't make the HDD hot swappable, will it

Thanks

Previous Posts In This Thread:

On Thursday, April 19, 2007 4:33 PM
cristalink wrote:

eSATA
Hi, I am considering an external SATA HDD for my server

1) Assuming my motherboard supports eSATA, or I buy an eSATA controller,
will the eSATA HDD appear as a removable device with the safe removal icon
on the taskbar, like a USB external HDD

2) There are SATA->eSATA and eSATA->SATA cables. If I connect the first
cable to my m/b that supports only SATA (not eSATA), and then connect the
second cable to the first one, and then connect a SATA HDD to the second
cable, it won't make the HDD hot swappable, will it

Thanks

On Thursday, April 19, 2007 5:52 PM
leew [MVP] wrote:

Re: eSATA
cristalink wrote

1. Not likely - though it can depend on the controller (I've not seen
one that would make it removable like that)

2. The controller and to an extent, the drive determine if it's hot
swappable, not so much the cable.

On Thursday, April 19, 2007 6:19 PM
cristalink wrote:

Thanks!
Thanks! So you are saying that none of the eSATA controllers you've seen
displayed the safe removal icon

My point is that there is no much sense in the physical hot swappability if
there is no way to ensure the data buffers were flushed properly

The safe removal icon flushes the buffers and logically removes the drive
from the system to ensure new data won't be written to it

Cheer

"leew [MVP]" <***@LWComputing.dot.com> wrote in message news:TwRVh.939$***@newsfe12.lga...

On Friday, April 20, 2007 1:43 PM
leew [MVP] wrote:

Re: eSATA
cristalink wrote

Correct. I've not seen an eSATA controller that presented the disk in
such a way to the OS

Frankly, I wouldn't be using eSATA for removable drives myself. I use
them for extending storage when the bays inside a system are full.

On Tuesday, May 01, 2007 2:16 PM
Bob Felton wrote:

I'm considering using an external SATA enclosure for backup datastorage.
I'm considering using an external SATA enclosure for backup dat
storage. I was considering using a Sonnet Fusion 500P enclosure and
Sonnet Tempo SATA X4P eSATA controller. This combination can provid
5 separate drives to the system. I want to be able to remove (an
replace) one of them weekly for off-site storage without having t
shutdown/restart the server. The 500P enclosure is touted as bein
hot swappable. However, a footnote in the specs for the X4P state
that under Windows, hot swapping is not possible, due to Window
itself, not the controller. I have a SIIG eSATA II-150 PC
controller. Its manual states that hot swapping can be accomplishe
by disabling the target drive via Device Manager and then removing it
The manual does not go beyond that statement. However, I believe i
infers that the replacement drive can then be attached and the OS wil
detect and enable it. Would this work

On Fri, 20 Apr 2007 13:43:28 -0400, "leew [MVP]
<***@LWComputing.dot.com> wrote:


--
Bob Felton

On Tuesday, May 01, 2007 5:40 PM
cristalink wrote:

This should work. Connect a new drive then enable the drive in Device Manager.
This should work. Connect a new drive then enable the drive in Device
Manager.

On Friday, May 04, 2007 2:07 PM
Bob Felton wrote:

I thought so. Will be checking it out in a week or so.
I thought so. Will be checking it out in a week or so.




--
Bob Felton


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